#55 Can be assign a role to members of my Workgroup

Remove Owner on Workgroup (use role MASTER instead)
"find_citizen_by_id" not return user anymore, use "find_citizen_by_id_with_user" instead

src/main/kotlin/Application.kt

@@ -130,7 +130,7 @@ fun Application.module(env: Env = PROD) {
             decode { values, _ ->
                 val id = values.singleOrNull()?.let { UUID.fromString(it) }
                     ?: throw InternalError("Cannot convert $values to UUID")
-                get<RepositoryCitizen>().findById(id, true) ?: throw NotFoundException("Citizen $values not found")
+                get<RepositoryCitizen>().findById(id) ?: throw NotFoundException("Citizen $values not found")
             }
         }
 

src/main/kotlin/entity/Citizen.kt

@@ -21,7 +21,12 @@ class Citizen(
 ) : CitizenFull,
     CitizenBasic(id, name, email, birthday, voteAnonymous, followAnonymous, user),
     EntityCreatedAt by EntityCreatedAtImp() {
-    var workgroups: List<WorkgroupSimple<CitizenRef>> = emptyList()
+    var workgroups: List<WorkgroupAndRoles> = emptyList()
+
+    class WorkgroupAndRoles(
+        val roles: List<String>,
+        val workgroup: WorkgroupSimple<CitizenRef>
+    )
 }
 
 open class CitizenBasic(

src/main/kotlin/entity/Workgroup.kt

@@ -1,5 +1,8 @@
 package fr.dcproject.entity
 
+import fr.dcproject.entity.WorkgroupWithMembersI.Member
+import fr.dcproject.entity.WorkgroupWithMembersI.Member.Role
+import fr.postgresjson.entity.EntityI
 import fr.postgresjson.entity.immutable.*
 import fr.postgresjson.entity.mutable.EntityDeletedAt
 import fr.postgresjson.entity.mutable.EntityDeletedAtImp
@@ -11,9 +14,8 @@ class Workgroup(
     description: String,
     logo: String? = null,
     anonymous: Boolean = true,
-    owner: CitizenBasic,
     createdBy: CitizenBasic,
-    override var members: List<CitizenBasic> = emptyList()
+    override var members: List<Member<CitizenBasic>> = emptyList()
 ) : WorkgroupWithAuthI<CitizenBasic>,
     WorkgroupSimple<CitizenBasic>(
         id,
@@ -21,7 +23,6 @@ class Workgroup(
         description,
         logo,
         anonymous,
-        owner,
         createdBy
     ),
     EntityCreatedAt by EntityCreatedAtImp(),
@@ -33,7 +34,6 @@ open class WorkgroupSimple<Z : CitizenRef>(
     var description: String,
     var logo: String? = null,
     var anonymous: Boolean = true,
-    var owner: Z,
     createdBy: Z
 ) : WorkgroupRef(id),
     EntityCreatedBy<Z> by EntityCreatedByImp(createdBy),
@@ -45,19 +45,51 @@ open class WorkgroupRef(
 
 interface WorkgroupWithAuthI<Z : CitizenWithUserI> : WorkgroupWithMembersI<Z>, EntityCreatedBy<Z>, EntityDeletedAt {
     val anonymous: Boolean
-    val owner: Z
 
-    fun isMember(user: UserI): Boolean =
+    fun isMember(user: UserI): Boolean = members.isMember(user)
-        members.map { it.user.id }.contains(user.id) || owner.user.id == user.id
+    fun isMember(citizen: CitizenWithUserI): Boolean = members.isMember(citizen)
 
-    fun isMember(citizen: CitizenWithUserI): Boolean =
+    fun hasRole(expectedRole: Role, user: UserI): Boolean = members.hasRole(expectedRole, user)
-        isMember(citizen.user)
+    fun hasRole(expectedRole: Role, citizen: CitizenI): Boolean = members.hasRole(expectedRole, citizen)
+
+    fun getRoles(user: UserI): List<Role> = members.getRoles(user)
+    fun getRoles(citizen: CitizenI): List<Role> = members.getRoles(citizen)
 }
 
 interface WorkgroupWithMembersI<Z : CitizenI> : WorkgroupI {
-    var members: List<Z>
+    var members: List<Member<Z>>
+
+    class Member<C : CitizenI> (
+        val citizen: C,
+        val roles: List<Role> = emptyList()
+    ) : EntityI {
+        enum class Role {
+            MASTER,
+            MANAGER,
+            EDITOR,
+            REPORTER
+        }
+    }
 }
 
-fun List<CitizenI>.asCitizen(citizen: CitizenI): Boolean = this.map { it.id }.contains(citizen.id)
+fun List<CitizenI>.hasCitizen(citizen: CitizenI): Boolean = this.map { it.id }.contains(citizen.id)
+
+fun <Z : CitizenWithUserI> List<Member<Z>>.isMember(user: UserI): Boolean =
+    map { it.citizen.user.id }.contains(user.id)
+
+fun <Z : CitizenI> List<Member<Z>>.isMember(citizen: CitizenI): Boolean =
+    map { it.citizen.id }.contains(citizen.id)
+
+fun <Z : CitizenI> List<Member<Z>>.hasRole(expectedRole: Role, citizen: CitizenI): Boolean =
+    any { member -> member.citizen.id == citizen.id && member.roles.any { it == expectedRole } }
+
+fun <Z : CitizenWithUserI> List<Member<Z>>.hasRole(expectedRole: Role, user: UserI): Boolean =
+    any { member -> member.citizen.user.id == user.id && member.roles.any { it == expectedRole } }
+
+fun <Z : CitizenWithUserI> List<Member<Z>>.getRoles(user: UserI): List<Role> =
+    firstOrNull { it.citizen.user.id == user.id }?.roles ?: emptyList()
+
+fun <Z : CitizenWithUserI> List<Member<Z>>.getRoles(citizen: CitizenI): List<Role> =
+    firstOrNull { it.citizen.id == citizen.id }?.roles ?: emptyList()
 
 interface WorkgroupI : UuidEntityI

src/main/kotlin/repository/Citizen.kt

@@ -12,29 +12,21 @@ import java.util.*
 import fr.dcproject.entity.Citizen as CitizenEntity
 
 class Citizen(override var requester: Requester) : RepositoryI {
-    fun findById(id: UUID, withUser: Boolean = false): CitizenEntity? {
+    fun findById(id: UUID): CitizenEntity? = requester
-        return requester
+        .getFunction("find_citizen_by_id_with_user_and_workgroups")
-            .getFunction(if (withUser) "find_citizen_by_id_with_user" else "find_citizen_by_id")
         .selectOne("id" to id)
-    }
 
-    fun findByUser(user: UserI): CitizenEntity? {
+    fun findByUser(user: UserI): CitizenEntity? = requester
-        return requester
         .getFunction("find_citizen_by_user_id")
         .selectOne("user_id" to user.id)
-    }
 
-    fun findByUsername(unsername: String): CitizenEntity? {
+    fun findByUsername(unsername: String): CitizenEntity? = requester
-        return requester
         .getFunction("find_citizen_by_username")
         .selectOne("username" to unsername)
-    }
 
-    fun findByEmail(email: String): CitizenEntity? {
+    fun findByEmail(email: String): CitizenEntity? = requester
-        return requester
         .getFunction("find_citizen_by_email")
         .selectOne("email" to email)
-    }
 
     fun find(
         page: Int = 1,
@@ -42,8 +34,7 @@ class Citizen(override var requester: Requester) : RepositoryI {
         sort: String? = null,
         direction: Direction? = null,
         search: String? = null
-    ): Paginated<CitizenBasic> {
+    ): Paginated<CitizenBasic> = requester
-        return requester
             .getFunction("find_citizens")
             .select(
                 page, limit,
@@ -51,17 +42,12 @@ class Citizen(override var requester: Requester) : RepositoryI {
                 "direction" to direction,
                 "search" to search
             )
-    }
 
-    fun upsert(citizen: CitizenFull): CitizenEntity? {
+    fun upsert(citizen: CitizenFull): CitizenEntity? = requester
-        return requester
             .getFunction("upsert_citizen")
             .selectOne("resource" to citizen)
-    }
 
-    fun insertWithUser(citizen: CitizenFull): CitizenEntity? {
+    fun insertWithUser(citizen: CitizenFull): CitizenEntity? = requester
-        return requester
             .getFunction("insert_citizen_with_user")
             .selectOne("resource" to citizen)
 }
-}

src/main/kotlin/repository/Workgroup.kt

@@ -1,6 +1,7 @@
 package fr.dcproject.repository
 
 import fr.dcproject.entity.*
+import fr.dcproject.entity.WorkgroupWithMembersI.Member
 import fr.postgresjson.connexion.Paginated
 import fr.postgresjson.connexion.Requester
 import fr.postgresjson.entity.Parameter
@@ -44,36 +45,43 @@ class Workgroup(override var requester: Requester) : RepositoryI {
             .getFunction("delete_workgroup")
             .perform("id" to workgroup.id)
 
-    fun addMember(workgroup: WorkgroupI, member: CitizenI): List<CitizenBasic> =
+    fun addMember(workgroup: WorkgroupI, member: Member<CitizenI>): Member<CitizenBasic>? =
-        addMembers(workgroup, listOf(member))
+        addMember(workgroup, member.citizen, member.roles)
 
-    fun addMembers(workgroup: WorkgroupI, members: List<CitizenI>): List<CitizenBasic> = requester
+    fun addMember(workgroup: WorkgroupI, citizen: CitizenI, roles: List<Member.Role>): Member<CitizenBasic>? = requester
+        .getFunction("add_workgroup_member")
+        .selectOne(
+            "id" to workgroup.id,
+            "members" to Member(citizen, roles).serialize()
+        )
+
+    fun <Z : CitizenI> addMembers(workgroup: WorkgroupI, members: List<Member<Z>>): List<Member<CitizenBasic>> = requester
         .getFunction("add_workgroup_members")
         .select(
             "id" to workgroup.id,
-            "resource" to members.serialize()
+            "members" to members.serialize()
         )
 
-    fun removeMember(workgroup: WorkgroupI, memberToDelete: CitizenI): List<CitizenBasic> =
+    fun <Z : CitizenI> removeMember(workgroup: WorkgroupI, memberToDelete: Member<Z>): List<Member<CitizenBasic>> =
         removeMembers(workgroup, listOf(memberToDelete))
 
-    fun removeMembers(workgroup: WorkgroupI, membersToDelete: List<CitizenI>): List<CitizenBasic> = requester
+    fun <Z : CitizenI> removeMembers(workgroup: WorkgroupI, membersToDelete: List<Member<Z>>): List<Member<CitizenBasic>> = requester
         .getFunction("remove_workgroup_members")
         .select(
             "id" to workgroup.id,
-            "resource" to membersToDelete
+            "members" to membersToDelete
         )
 
-    fun updateMembers(workgroup: WorkgroupI, members: List<CitizenI>): List<CitizenBasic> = requester
+    fun <Z : CitizenI> updateMembers(workgroup: WorkgroupI, members: List<Member<Z>>): List<Member<CitizenBasic>> = requester
         .getFunction("update_workgroup_members")
         .select(
             "id" to workgroup.id,
-            "resource" to members
+            "members" to members
         )
 
-    fun <W : WorkgroupWithMembersI<CitizenI>> updateMembers(workgroup: W): W {
+    fun <W : WorkgroupWithMembersI<Z>, Z : CitizenI> updateMembers(workgroup: W): W {
         updateMembers(workgroup, workgroup.members).let {
-            workgroup.members = it
+            workgroup.members = it as List<Member<Z>>
         }
 
         return workgroup

src/main/kotlin/routes/Workgroup.kt

@@ -3,6 +3,8 @@ package fr.dcproject.routes
 import fr.dcproject.citizen
 import fr.dcproject.entity.CitizenRef
 import fr.dcproject.entity.WorkgroupSimple
+import fr.dcproject.entity.WorkgroupWithMembersI.Member
+import fr.dcproject.entity.WorkgroupWithMembersI.Member.Role
 import fr.dcproject.repository.Workgroup.Filter
 import fr.dcproject.security.voter.WorkgroupVoter.Action.VIEW
 import fr.dcproject.security.voter.WorkgroupVoter.Action.CREATE
@@ -54,8 +56,7 @@ object WorkgroupsPaths {
             val name: String,
             val description: String,
             val logo: String?,
-            val anonymous: Boolean?,
+            val anonymous: Boolean?
-            val owner: UUID?
         )
 
         suspend fun getNewWorkgroup(call: ApplicationCall): WorkgroupSimple<CitizenRef> = call.receive<Body>().run {
@@ -65,7 +66,6 @@ object WorkgroupsPaths {
                 description,
                 logo,
                 anonymous ?: true,
-                owner?.let { CitizenRef(it) } ?: call.citizen,
                 call.citizen
             )
         }
@@ -77,8 +77,7 @@ object WorkgroupsPaths {
             val name: String?,
             val description: String?,
             val logo: String?,
-            val anonymous: Boolean?,
+            val anonymous: Boolean?
-            val owner: UUID?
         )
 
         suspend fun updateWorkgroup(call: ApplicationCall): Unit = call.receive<Body>().run {
@@ -98,13 +97,19 @@ object WorkgroupsMembersPaths {
     @Location("/workgroups/{workgroup}/members")
     class WorkgroupsMembersRequest(val workgroup: WorkgroupEntity) {
         class Body : MutableList<Body.Item> by mutableListOf() {
-            class Item(id: String) {
+            class Item(id: String, roles: List<String>) {
-                val id = id.toUUID()
+                val citizen = CitizenRef(id.toUUID())
+                val roles: List<Role> = roles.map {
+                    Role.valueOf(it)
+                }
             }
         }
 
-        suspend fun getMembers(call: ApplicationCall): List<CitizenRef> = call.receive<Body>().map {
+        suspend fun getMembers(call: ApplicationCall): List<Member<CitizenRef>> = call.receive<Body>().map {
-            CitizenRef(it.id)
+            Member(
+                citizen = it.citizen,
+                roles = it.roles
+            )
         }
     }
 }

src/main/kotlin/voter/WorkgroupVoter.kt

@@ -1,7 +1,7 @@
 package fr.dcproject.security.voter
 
-import fr.dcproject.citizenOrNull
 import fr.dcproject.entity.*
+import fr.dcproject.entity.WorkgroupWithMembersI.Member.Role
 import fr.dcproject.user
 import fr.ktorVoter.ActionI
 import fr.ktorVoter.Vote
@@ -46,11 +46,11 @@ class WorkgroupVoter : Voter {
         }
 
         if (subject is WorkgroupWithAuthI<*>) {
-            if (action == Action.DELETE && user is UserI && subject.owner.user.id == user.id) {
+            if (action == Action.DELETE && user is UserI && subject.hasRole(Role.MASTER, user)) {
                 return Vote.GRANTED
             }
 
-            if (action == Action.UPDATE && user is UserI && subject.owner.user.id == user.id) {
+            if (action == Action.UPDATE && user is UserI && subject.hasRole(Role.MASTER, user)) {
                 return Vote.GRANTED
             }
 
@@ -61,32 +61,29 @@ class WorkgroupVoter : Voter {
         }
 
         if (action == ActionMembers.ADD) {
-            val citizen = call.citizenOrNull
             // TODO create ROLES
             return Vote.isGranted {
-                citizen != null &&
+                user is UserI &&
-                subject is WorkgroupWithMembersI<*> &&
+                subject is WorkgroupWithAuthI<*> &&
-                subject.members.asCitizen(citizen)
+                subject.hasRole(Role.MASTER, user)
             }
         }
 
         if (action == ActionMembers.UPDATE) {
-            val citizen = call.citizenOrNull
             // TODO create ROLES
             return Vote.isGranted {
-                citizen != null &&
+                user is UserI &&
-                subject is WorkgroupWithMembersI<*> &&
+                subject is WorkgroupWithAuthI<*> &&
-                subject.members.asCitizen(citizen)
+                subject.hasRole(Role.MASTER, user)
             }
         }
 
         if (action == ActionMembers.REMOVE) {
-            val citizen = call.citizenOrNull
             // TODO create ROLES
             return Vote.isGranted {
-                citizen != null &&
+                user is UserI &&
-                subject is WorkgroupWithMembersI<*> &&
+                subject is WorkgroupWithAuthI<*> &&
-                subject.members.asCitizen(citizen)
+                subject.hasRole(Role.MASTER, user)
             }
         }
 

src/main/resources/openapi.yaml

@@ -1708,8 +1708,6 @@ components:
             anonymous:
               type: boolean
               example: false
-            owner:
-              $ref: '#/components/schemas/CitizenResponse'
         - $ref: '#/components/schemas/CreatedBy'
         - $ref: '#/components/schemas/DeletedAt'
     Workgroup:
@@ -1719,11 +1717,30 @@ components:
         - type: object
           properties:
             members:
-              type: array
+              $ref: '#/components/schemas/Members'
-              items:
-                $ref: '#/components/schemas/CitizenResponse'
         - $ref: '#/components/schemas/CreatedAt'
         - $ref: '#/components/schemas/UpdatedAt'
+    Members:
+      description: members of workgroup
+      type: array
+      items:
+        $ref: '#/components/schemas/Member'
+    Member:
+      description: Member of workgroup
+      type: object
+      properties:
+        citizen:
+          $ref: '#/components/schemas/CitizenResponse'
+        roles:
+          type: array
+          items:
+            type: string
+            enum:
+              - MASTER
+              - MANAGER
+              - EDITOR
+              - REPORTER
+            example: MASTER
 
 
 

src/main/resources/sql/fixtures/03-workgroup.sql

@@ -2,27 +2,40 @@ do
 $$
 declare
     citizen_count int = (select count(*) from citizen);
+    _roles text[] = $roles$
+    {
+        "MANAGER", "EDITOR", "REPORTER"
+    }
+    $roles$;
 begin
     delete from citizen_in_workgroup;
     delete from workgroup;
 
-    insert into workgroup (id, created_by_id, name, description, anonymous, owner_id)
+    insert into workgroup (id, created_by_id, name, description, anonymous)
     select
         uuid_in(md5('workgroup'||rn::text)::cstring),
         z.id,
         'name' || rn,
         'description' || rn,
-        rn % 3 = 1,
+        rn % 3 = 1
-        z.id
     from (select *, row_number() over () rn from citizen) z;
 
-    insert into citizen_in_workgroup (citizen_id, workgroup_id)
+    insert into citizen_in_workgroup (citizen_id, workgroup_id, roles)
     select
         z.id,
-        w.id
+        w.id,
+        '{MASTER}'
     from (select *, row_number() over ()+5 % citizen_count rn from citizen) z
     join (select *, row_number() over () rn from workgroup) w using (rn);
 
+    insert into citizen_in_workgroup (citizen_id, workgroup_id, roles)
+    select
+        z.id,
+        w.id,
+        _roles[(row_number() over () % 3)+1:(row_number() over () % 3)+1]
+    from (select *, row_number() over ()+10 % citizen_count rn from citizen) z
+    join (select *, row_number() over () rn from workgroup) w using (rn);
+
     raise notice 'workgroup fixtures done';
 end;
 $$;

src/main/resources/sql/functions/article/find_article_by_id.sql

@@ -7,7 +7,7 @@ begin
     from (
         select
             a.*,
-            find_citizen_by_id(a.created_by_id) as created_by,
+            find_citizen_by_id_with_user(a.created_by_id) as created_by,
             find_workgroup_by_id(a.workgroup_id) as workgroup,
             count_vote(a.id) as votes,
             count_opinion(a.id) as opinions

src/main/resources/sql/functions/article/find_articles.sql

@@ -21,7 +21,7 @@ begin
     from (
         select
             a.*,
-            find_citizen_by_id(a.created_by_id) as created_by,
+            find_citizen_by_id_with_user(a.created_by_id) as created_by,
             find_workgroup_by_id(a.workgroup_id) as workgroup,
             count_vote(a.id) as votes,
             count_opinion(a.id) as opinions,

src/main/resources/sql/functions/article/find_articles_versions_by_version_id.sql

@@ -14,7 +14,7 @@ begin
     from (
         select
             a.*,
-            find_citizen_by_id(a.created_by_id) as created_by,
+            find_citizen_by_id_with_user(a.created_by_id) as created_by,
             find_workgroup_by_id(a.workgroup_id) as workgroup,
             count_vote(a.id) as votes
         from article as a

src/main/resources/sql/functions/article/find_last_article_by_version_id.sql

@@ -7,7 +7,7 @@ begin
     from (
         select
             a.*,
-            find_citizen_by_id(a.created_by_id) as created_by,
+            find_citizen_by_id_with_user(a.created_by_id) as created_by,
             find_workgroup_by_id(a.workgroup_id) as workgroup,
             count_vote(a.id) as votes
         into resource

src/main/resources/sql/functions/citizen/find_citizen_by_id.sql

@@ -6,9 +6,7 @@ begin
     select to_json(t) into resource
     from (
          select
-            z.*,
+            z.*
-            find_user_by_id(z.user_id) as "user",
-            array_agg(find_workgroup_by_id_simple(ciw.workgroup_id)) as "workgroups"
          from citizen as z
          left join citizen_in_workgroup ciw on z.id = ciw.citizen_id
          where z.id = _id

src/main/resources/sql/functions/citizen/find_citizen_by_id_with_user.sql

@@ -7,8 +7,7 @@ begin
     from (
          select 
             z.*,
-            find_user_by_id(z.user_id) as "user",
+            find_user_by_id(z.user_id) as "user"
-            array_agg(find_workgroup_by_id_simple(ciw.workgroup_id)) as "workgroups"
          from citizen as z
          left join citizen_in_workgroup ciw on z.id = ciw.citizen_id
          where z.id = _id

src/main/resources/sql/functions/citizen/find_citizen_by_id_with_user_and_workgroups.sql

@@ -0,0 +1,22 @@
+create or replace function find_citizen_by_id_with_user_and_workgroups(in id uuid, out resource json) language plpgsql as
+$$
+declare
+    _id alias for id;
+begin
+    select to_json(t) into resource
+    from (
+         select 
+            z.*,
+            find_user_by_id(z.user_id) as "user",
+            case when ciw.workgroup_id is null then '{}' else array_agg(json_build_object(
+                'roles', ciw.roles,
+                'workgroup', find_workgroup_by_id_simple(ciw.workgroup_id)
+            )) end as "workgroups"
+         from citizen as z
+         left join citizen_in_workgroup ciw on z.id = ciw.citizen_id
+         where z.id = _id
+         group by z.id, ciw.workgroup_id
+     ) as t;
+end;
+$$;
+

src/main/resources/sql/functions/citizen/upsert_citizen.sql

@@ -23,7 +23,7 @@ begin
         email = excluded.email
     returning id into new_id;
 
-    select find_citizen_by_id(new_id) into resource;
+    select find_citizen_by_id_with_user(new_id) into resource;
 end;
 $$;
 

src/main/resources/sql/functions/comment/find_comment_by_id.sql

@@ -10,7 +10,7 @@ begin
         select
             com.*,
             find_reference_by_id(com.target_id, com.target_reference) as target,
-            find_citizen_by_id(com.created_by_id) as created_by,
+            find_citizen_by_id_with_user(com.created_by_id) as created_by,
             count_vote(com.id) as votes
         from "comment" as com
         where id = _id

src/main/resources/sql/functions/comment/find_comments_by_citizen.sql

@@ -21,7 +21,7 @@ begin
         select
             com.*,
             find_reference_by_id(com.target_id, _reference) as target,
-            find_citizen_by_id(com.created_by_id) as created_by,
+            find_citizen_by_id_with_user(com.created_by_id) as created_by,
             count_vote(com.id) as votes
 
         from "comment" as com

src/main/resources/sql/functions/comment/find_comments_by_parent.sql

@@ -14,7 +14,7 @@ begin
             com.*,
             (select count(*) from "comment" c2 where c2.parents_ids @> array[com.id]) as children_count,
             find_reference_by_id(com.target_id, com.target_reference) as target,
-            find_citizen_by_id(com.created_by_id) as created_by,
+            find_citizen_by_id_with_user(com.created_by_id) as created_by,
             count_vote(com.id) as votes
         from "comment" as com
         where parent_id = _parent_id

src/main/resources/sql/functions/comment/find_comments_by_target.sql

@@ -15,7 +15,7 @@ begin
             com.*,
             (select count(c2) from "comment" c2 where c2.parent_comment_id = com.id) as children_count,
             find_reference_by_id(com.target_id, com.target_reference) as target,
-            find_citizen_by_id(com.created_by_id) as created_by,
+            find_citizen_by_id_with_user(com.created_by_id) as created_by,
             count_vote(com.id) as votes
         from "comment" as com
         where com.parent_id = _target_id

src/main/resources/sql/functions/constitution/find_constitution_by_id.sql

@@ -7,7 +7,7 @@ begin
     from (
         select
             c.*,
-            find_citizen_by_id(c.created_by_id) as created_by,
+            find_citizen_by_id_with_user(c.created_by_id) as created_by,
             find_constitution_titles_by_id(c.id) as titles
         into resource
         from constitution as c

src/main/resources/sql/functions/constitution/find_constitutions.sql

@@ -14,7 +14,7 @@ begin
     from (
         select
             c.*,
-            find_citizen_by_id(c.created_by_id) as created_by,
+            find_citizen_by_id_with_user(c.created_by_id) as created_by,
             find_constitution_titles_by_id(c.id) as titles,
             zdb.score(c.ctid) _score
         from constitution as c

src/main/resources/sql/functions/follow/find_follow.sql

@@ -19,7 +19,7 @@ begin
             select
                 f.*,
                 json_build_object('id', f.target_id, 'reference', f.target_reference) as target,
-                find_citizen_by_id(f.created_by_id) as created_by
+                find_citizen_by_id_with_user(f.created_by_id) as created_by
             from follow as f
             where f.created_by_id = _citizen_id
               and array[f.target_id] <@ _target_ids
@@ -32,7 +32,7 @@ begin
             select
                 f.*,
                 json_build_object('id', f.target_id, 'reference', f.target_reference) as target,
-                find_citizen_by_id(f.created_by_id) as created_by
+                find_citizen_by_id_with_user(f.created_by_id) as created_by
             from follow as f
             where f.created_by_id = _citizen_id
               and f.target_id = _target_id

src/main/resources/sql/functions/follow/find_follows_article_by_citizen.sql

@@ -13,7 +13,7 @@ begin
         select
             f.*,
             find_article_by_id(f.target_id) as target,
-            find_citizen_by_id(f.created_by_id) as created_by
+            find_citizen_by_id_with_user(f.created_by_id) as created_by
         from follow as f
         where created_by_id = _created_by_id
         order by created_at desc,

src/main/resources/sql/functions/follow/find_follows_by_citizen.sql

@@ -13,7 +13,7 @@ begin
         select
             f.*,
             json_build_object('id', f.target_id) as target,
-            find_citizen_by_id(f.created_by_id) as created_by
+            find_citizen_by_id_with_user(f.created_by_id) as created_by
         from follow as f
         where created_by_id = _created_by_id
         order by created_at desc,

src/main/resources/sql/functions/follow/find_follows_constitution_by_citizen.sql

@@ -13,7 +13,7 @@ begin
         select
             f.*,
             find_constitution_by_id(f.target_id) as target,
-            find_citizen_by_id(f.created_by_id) as created_by
+            find_citizen_by_id_with_user(f.created_by_id) as created_by
         from follow as f
         where created_by_id = _created_by_id
         order by created_at desc,

src/main/resources/sql/functions/opinion/find_citizen_opinions.sql

@@ -19,7 +19,7 @@ begin
         select
             o.*,
             find_reference_by_id(o.target_id, o.target_reference) as target,
-            find_citizen_by_id(o.created_by_id) as created_by,
+            find_citizen_by_id_with_user(o.created_by_id) as created_by,
             to_json(ol) as choice
         from opinion as o
         join opinion_choice ol on o.choice_id = ol.id

src/main/resources/sql/functions/opinion/find_citizen_opinions_by_target_id.sql

@@ -12,7 +12,7 @@ begin
         select
             o.*,
             find_reference_by_id(o.target_id, o.target_reference) as target,
-            find_citizen_by_id(o.created_by_id) as created_by,
+            find_citizen_by_id_with_user(o.created_by_id) as created_by,
             to_json(ol) as choice
         from opinion as o
         join opinion_choice ol on o.choice_id = ol.id

src/main/resources/sql/functions/opinion/find_citizen_opinions_by_target_ids.sql

@@ -10,7 +10,7 @@ begin
         select
             o.*,
             find_reference_by_id(o.target_id, o.target_reference) as target,
-            find_citizen_by_id(o.created_by_id) as created_by,
+            find_citizen_by_id_with_user(o.created_by_id) as created_by,
             to_json(ol) as choice
         from opinion as o
         join opinion_choice ol on o.choice_id = ol.id

src/main/resources/sql/functions/opinion/find_opinion_by_id.sql

@@ -10,7 +10,7 @@ begin
         select
             o.*,
             find_reference_by_id(o.target_id, o.target_reference) as target,
-            find_citizen_by_id(o.created_by_id) as created_by,
+            find_citizen_by_id_with_user(o.created_by_id) as created_by,
             to_json(ol) as choice
         from "opinion" as o
         join opinion_choice ol on o.choice_id = ol.id

src/main/resources/sql/functions/opinion/find_opinion_by_opinion.sql

@@ -13,7 +13,7 @@ begin
         select
             o.*,
             find_reference_by_id(o.target_id, o.target_reference) as target,
-            find_citizen_by_id(o.created_by_id) as created_by,
+            find_citizen_by_id_with_user(o.created_by_id) as created_by,
             to_json(ol) as choice
         from "opinion" as o
         join opinion_choice ol on o.choice_id = ol.id

src/main/resources/sql/functions/vote/find_citizen_votes_by_target_ids.sql

@@ -13,7 +13,7 @@ begin
         select
             v.*,
             find_reference_by_id(v.target_id, v.target_reference) as target,
-            find_citizen_by_id(v.created_by_id) as created_by
+            find_citizen_by_id_with_user(v.created_by_id) as created_by
 
         from vote as v
 

src/main/resources/sql/functions/vote/find_votes_by_citizen.sql

@@ -21,7 +21,7 @@ begin
         select
             v.*,
             find_reference_by_id(v.target_id, _reference) as target,
-            find_citizen_by_id(v.created_by_id) as created_by
+            find_citizen_by_id_with_user(v.created_by_id) as created_by
 
         from vote as v
 

src/main/resources/sql/functions/workgroup/add_workgroup_member.sql

@@ -0,0 +1,13 @@
+create or replace function add_workgroup_member(in _id uuid, inout member json)
+    language plpgsql as
+$$
+begin
+    insert into citizen_in_workgroup (workgroup_id, citizen_id, roles)
+    values (
+       _id,
+       (member#>>'{citizen, id}')::uuid,
+       (select array_agg(t) from json_array_elements_text(member#>'{roles}') t)
+    )
+    on conflict do nothing;
+end;
+$$;

src/main/resources/sql/functions/workgroup/add_workgroup_members.sql

@@ -1,16 +1,11 @@
-create or replace function add_workgroup_members(in _id uuid, inout resource json)
+create or replace function add_workgroup_members(in _id uuid, inout members json)
     language plpgsql as
 $$
 begin
-    insert into citizen_in_workgroup (citizen_id, workgroup_id)
+    perform add_workgroup_member(_id, b)
-    select
+    from json_array_elements(members) b;
-        (z->>'id')::uuid,
-        _id::uuid
-    from json_array_elements(resource) z
-    where (z->>'id') is not null
-    on conflict do nothing;
 
-    select find_workgroup_members(_id) into resource;
+    select find_workgroup_members(_id) into members;
 end;
 $$;
 

src/main/resources/sql/functions/workgroup/find_workgroup_by_id.sql

@@ -7,8 +7,7 @@ begin
     from (
         select
             w.*,
-            find_citizen_by_id(w.created_by_id) as created_by,
+            find_citizen_by_id_with_user(w.created_by_id) as created_by,
-            find_citizen_by_id(w.owner_id) as owner,
             find_workgroup_members(w.id) as members
         into resource
         from workgroup as w

src/main/resources/sql/functions/workgroup/find_workgroup_by_id_simple.sql

@@ -7,8 +7,7 @@ begin
     from (
         select
             w.*,
-            json_build_object('id', w.created_by_id) as created_by,
+            json_build_object('id', w.created_by_id) as created_by
-            json_build_object('id', w.owner_id) as owner
         into resource
         from workgroup as w
         join citizen_in_workgroup ciw on w.id = ciw.workgroup_id

src/main/resources/sql/functions/workgroup/find_workgroup_members.sql

@@ -4,8 +4,9 @@ begin
     select json_agg(t) into resource
     from (
         select
-            z.*,
+            w.id as id,
-            find_user_by_id(z.user_id) as "user"
+            find_citizen_by_id_with_user(z.id) as citizen,
+            ciw.roles as roles
         from citizen_in_workgroup as ciw
         join workgroup as w on ciw.workgroup_id = w.id
         join citizen z on z.id = ciw.citizen_id

src/main/resources/sql/functions/workgroup/find_workgroups.sql

@@ -21,8 +21,7 @@ begin
     from (
         select
             w.*,
-            find_citizen_by_id(w.created_by_id) as created_by,
+            find_citizen_by_id_with_user(w.created_by_id) as created_by,
-            find_citizen_by_id(w.owner_id) as owner,
             zdb.score(w.ctid) _score
         from workgroup as w
         where deleted_at is null

src/main/resources/sql/functions/workgroup/remove_workgroup_members.sql

@@ -1,4 +1,4 @@
-create or replace function remove_workgroup_members(in _id uuid, inout resource json)
+create or replace function remove_workgroup_members(in _id uuid, inout members json)
     language plpgsql as
 $$
 begin
@@ -6,11 +6,11 @@ begin
     where workgroup_id = _id
       and citizen_id in (
         select
-            (z->>'id')::uuid
+            (b#>>'{citizen, id}')::uuid
-        from json_array_elements(resource) z
+        from json_array_elements(members) b
     );
 
-    select find_workgroup_members(_id) into resource;
+    select find_workgroup_members(_id) into members;
 end
 $$;
 

src/main/resources/sql/functions/workgroup/update_workgroup_members.sql

@@ -1,25 +1,20 @@
-create or replace function update_workgroup_members(in _id uuid, inout resource json)
+create or replace function update_workgroup_members(in _id uuid, inout members json)
     language plpgsql as
 $$
 begin
-    insert into citizen_in_workgroup (citizen_id, workgroup_id)
+    perform add_workgroup_member(_id, b)
-    select
+    from json_array_elements(members) b;
-        (z->>'id')::uuid,
-        _id::uuid
-    from json_array_elements(resource) z
-    where (z->>'id') is not null
-    on conflict do nothing;
 
     delete from citizen_in_workgroup
     where workgroup_id = _id
       and citizen_id not in(
         select
-            (z->>'id')::uuid
+            (b#>>'{citizen, id}')::uuid
-        from json_array_elements(resource) z
+        from json_array_elements(members) b
-        where (z->>'id') is not null
+        where (b#>>'{citizen, id}')::uuid is not null
       );
 
-    select find_workgroup_members(_id) into resource;
+    select find_workgroup_members(_id) into members;
 end;
 $$;
 

src/main/resources/sql/functions/workgroup/upsert_workgroup.sql

@@ -4,28 +4,27 @@ $$
 declare
     new_id uuid = coalesce((resource->>'id')::uuid, uuid_generate_v4());
 begin
-    insert into workgroup (id, created_by_id, name, description, anonymous, logo, owner_id)
+    insert into workgroup (id, created_by_id, name, description, anonymous, logo)
     select
         new_id,
         (resource#>>'{created_by, id}')::uuid,
         name,
         description,
         anonymous,
-        logo,
+        logo
-        (resource#>>'{owner, id}')::uuid
     from json_populate_record(null::workgroup, resource)
     on conflict (id) do update set
         name = excluded.name,
         description = excluded.description,
         anonymous = excluded.anonymous,
-        logo = excluded.logo,
+        logo = excluded.logo;
-        owner_id = excluded.owner_id;
 
---     insert into citizen_in_workgroup (citizen_id, workgroup_id)
+    insert into citizen_in_workgroup (workgroup_id, citizen_id, roles)
---     select
+    select
---         (resource->>'id')::uuid,
+        new_id::uuid,
---         new_id::uuid
+        (resource#>>'{created_by, id}')::uuid,
---     from json_populate_recordset(null::workgroup, resource->'members');
+        '{MASTER}'
+    from json_populate_recordset(null::workgroup, resource->'members');
 
     select find_workgroup_by_id(new_id) into resource;
 end;

src/main/resources/sql/migrations/0000-init_schema.up.sql

@@ -32,14 +32,14 @@ create table workgroup
     name          varchar(128)                           not null,
     description   text                                   null,
     anonymous     boolean     default false              not null,
-    logo          text                                   null,
+    logo          text                                   null
-    owner_id      uuid                                   not null references citizen (id)
 );
 
 create table citizen_in_workgroup
 (
     citizen_id   uuid                         not null references citizen (id),
     workgroup_id uuid                         not null references workgroup (id),
+    roles        text[]                       not null,
     created_at   timestamptz default now()    not null,
     primary key (citizen_id, workgroup_id)
 );

src/test/kotlin/feature/WorkgroupSteps.kt

@@ -1,6 +1,7 @@
 package feature
 
 import fr.dcproject.entity.*
+import fr.dcproject.entity.WorkgroupWithMembersI.Member
 import fr.dcproject.utils.toUUID
 import io.cucumber.datatable.DataTable
 import io.cucumber.java8.En
@@ -16,7 +17,10 @@ class WorkgroupSteps : En, KoinTest {
     init {
         When("I have members in workgroup {string}:") { workgroupId: String, members: DataTable ->
             val membersRefs = members.asList()
-                .map { CitizenRef(it.toUUID()) }
+                .map { Member(
+                    citizen = CitizenRef(it.toUUID()),
+                    roles = listOf(Member.Role.MASTER)
+                ) }
 
             get<WorkgroupRepository>().addMembers(WorkgroupRef(workgroupId.toUUID()), membersRefs)
         }
@@ -42,16 +46,11 @@ class WorkgroupSteps : En, KoinTest {
                 }
             }
 
-            val owner = data["owner"]?.let {
-                get<CitizenRepository>().findByUsername(it.toLowerCase().replace(' ', '-'))
-            } ?: creator
-
             val workgroup = WorkgroupSimple<CitizenRef>(
                 id = UUID.fromString(data["id"] ?: UUID.randomUUID().toString()),
                 name = data["name"] ?: "Les Incoruptible",
                 description = data["description"] ?: "La vie est notre jeux",
                 createdBy = creator,
-                owner = owner,
                 anonymous = (data["anonymous"] ?: false) == true
             )
 

src/test/kotlin/security/voter/WorkgroupVoterTest.kt

@@ -55,15 +55,15 @@ internal class WorkgroupVoterTest {
         createdBy = tesla,
         description = "Super desc",
         name = "super name",
-        owner = tesla,
+        anonymous = false,
-        anonymous = false
+        members = listOf(WorkgroupWithMembersI.Member(tesla, listOf(WorkgroupWithMembersI.Member.Role.MASTER)))
     )
 
     private val workgroupAnon = WorkgroupEntity(
         createdBy = tesla,
         description = "Super desc",
         name = "super name",
-        owner = tesla,
+        members = listOf(WorkgroupWithMembersI.Member(tesla, listOf(WorkgroupWithMembersI.Member.Role.MASTER))),
         anonymous = true
     )
 

src/test/resources/feature/workgroup.feature

@@ -3,15 +3,21 @@ Feature: Workgroup
 
   Scenario: Can get one workgroup
     Given I have citizen Stephen Hawking
+    And I have citizen Sadi Carnot with ID "be3b0926-8628-4426-804a-75188a6eb315"
+    And I have citizen Joseph Fourier with ID "d9671eca-abaf-4b67-9230-3ece700c1ddb"
     And I am authenticated as Stephen Hawking
     And I have workgroup:
       | id   | ab469134-bf14-4856-b093-ae1aa990f977 |
       | name | Les Mousquets                        |
+    And I have members in workgroup "ab469134-bf14-4856-b093-ae1aa990f977":
+      | be3b0926-8628-4426-804a-75188a6eb315 |
+      | d9671eca-abaf-4b67-9230-3ece700c1ddb |
     When I send a GET request to "/workgroups/ab469134-bf14-4856-b093-ae1aa990f977"
     Then the response status code should be 200
-    And the JSON should contain:
+    And the response should contain object:
-      | id   | ab469134-bf14-4856-b093-ae1aa990f977 |
+      | $.id                    | ab469134-bf14-4856-b093-ae1aa990f977 |
-      | name | Les Mousquets                        |
+      | $.name                  | Les Mousquets                        |
+      | $.members[0].first_name | Sadi                                 |
 
   Scenario: Can create a workgroup
     Given I have citizen Werner Heisenberg
@@ -60,12 +66,17 @@ Feature: Workgroup
     And I have workgroup:
       | id   | b0ea1922-3bc6-44e2-aa7c-40158998cfbb |
       | name | Les bonobos                          |
-      | owner | Blaise Pascal                        |
     When I send a POST request to "/workgroups/b0ea1922-3bc6-44e2-aa7c-40158998cfbb/members" with body:
       """
       [
-        {"id":"6d883fe7-5fc0-4a50-8858-72230673eba4"},
+        {
-        {"id":"b5bac515-45d4-4aeb-9b6d-2627a0bbc419"}
+          "id":"6d883fe7-5fc0-4a50-8858-72230673eba4",
+          "roles": ["MASTER"]
+        },
+        {
+          "id":"b5bac515-45d4-4aeb-9b6d-2627a0bbc419",
+          "roles": ["MASTER"]
+        }
       ]
       """
     Then the response status code should be 201
@@ -78,19 +89,21 @@ Feature: Workgroup
     And I have workgroup:
       | id   | b6c975df-dd44-4e99-adc1-f605746b0e11 |
       | name | Les Tacos                            |
-      | owner | Heinrich Hertz                       |
     And I have members in workgroup "b6c975df-dd44-4e99-adc1-f605746b0e11":
       | 87909ba3-2069-431c-9924-219fd8411cf2 |
       | 1baf48bb-02bc-4d8f-ac86-33335354f5e7 |
     When I send a DELETE request to "/workgroups/b6c975df-dd44-4e99-adc1-f605746b0e11/members" with body:
       """
       [
-        {"id":"87909ba3-2069-431c-9924-219fd8411cf2"}
+        {
+          "id":"87909ba3-2069-431c-9924-219fd8411cf2",
+          "roles": ["MASTER"]
+        }
       ]
       """
     Then the response status code should be 200
     And the response should contain object:
-      | $.[0]id | 1baf48bb-02bc-4d8f-ac86-33335354f5e7 |
+      | $.[0]citizen.id | 1baf48bb-02bc-4d8f-ac86-33335354f5e7 |
     And the JSON should have 1 items
 
   Scenario: Can update members on workgroup
@@ -102,19 +115,24 @@ Feature: Workgroup
     And I have workgroup:
       | id   | 784fe6bc-7635-4ae2-b080-3a4743b998bf |
       | name | Les Tacos                            |
-      | owner | Leon Foucault                        |
     And I have members in workgroup "784fe6bc-7635-4ae2-b080-3a4743b998bf":
       | be3b0926-8628-4426-804a-75188a6eb315 |
       | d9671eca-abaf-4b67-9230-3ece700c1ddb |
     When I send a PUT request to "/workgroups/784fe6bc-7635-4ae2-b080-3a4743b998bf/members" with body:
       """
       [
-        {"id":"be3b0926-8628-4426-804a-75188a6eb315"},
+        {
-        {"id":"b49e20c1-8393-45d6-a6a0-3fa5c71cbdc1"}
+          "id":"be3b0926-8628-4426-804a-75188a6eb315",
+          "roles": ["MASTER"]
+        },
+        {
+          "id":"b49e20c1-8393-45d6-a6a0-3fa5c71cbdc1",
+          "roles": ["MASTER"]
+        }
       ]
       """
     Then the response status code should be 200
     And the response should contain object:
-      | $.[0]id | be3b0926-8628-4426-804a-75188a6eb315 |
+      | $.[0]citizen.id | be3b0926-8628-4426-804a-75188a6eb315 |
-      | $.[1]id | b49e20c1-8393-45d6-a6a0-3fa5c71cbdc1 |
+      | $.[1]citizen.id | b49e20c1-8393-45d6-a6a0-3fa5c71cbdc1 |
     And the JSON should have 2 items

src/test/sql/fixtures/3-fixture_workgroup.sql

@@ -19,7 +19,6 @@ begin
     end if;
 
     created_workgroup := jsonb_set(created_workgroup::jsonb, '{created_by}'::text[], jsonb_build_object('id', _citizen_id::text), true)::json;
-    created_workgroup := jsonb_set(created_workgroup::jsonb, '{owner}'::text[], jsonb_build_object('id', _citizen_id::text), true)::json;
     assert created_workgroup#>>'{created_by, id}' = _citizen_id::text, format('citizenId in workgroup must be the same as citizen, %s != %s', created_workgroup#>>'{created_by, id}', _citizen_id::text);
 
     -- upsert workgroup

src/test/sql/workgroup.sql

@@ -16,9 +16,9 @@ declare
     }';
     selected_workgroup json;
     members json;
+    selected_citizen json;
 begin
     created_workgroup := jsonb_set(created_workgroup::jsonb, '{created_by}'::text[], jsonb_build_object('id', _citizen_id::text), true)::json;
-    created_workgroup := jsonb_set(created_workgroup::jsonb, '{owner}'::text[], jsonb_build_object('id', _citizen_id::text), true)::json;
     assert created_workgroup#>>'{created_by, id}' = _citizen_id::text, format('citizenId in workgroup must be the same as citizen, %s != %s', created_workgroup#>>'{created_by, id}', _citizen_id::text);
 
     -- upsert workgroup
@@ -28,7 +28,6 @@ begin
 
     -- insert another workgroup
     created_workgroup_2 := jsonb_set(created_workgroup_2::jsonb, '{created_by}'::text[], jsonb_build_object('id', _citizen_id::text), true)::json;
-    created_workgroup_2 := jsonb_set(created_workgroup_2::jsonb, '{owner}'::text[], jsonb_build_object('id', _citizen_id::text), true)::json;
     assert created_workgroup_2#>>'{created_by, id}' = _citizen_id::text, format('citizenId in workgroup must be the same as citizen, %s != %s', created_workgroup_2#>>'{created_by, id}', _citizen_id::text);
     select upsert_workgroup(created_workgroup_2) into created_workgroup_2;
 
@@ -47,44 +46,61 @@ begin
 
     -- add
     select m into members from add_workgroup_members((created_workgroup->>'id')::uuid, json_build_array(
-        json_build_object('id', _citizen_id2),
+        json_build_object('citizen', json_build_object('id', _citizen_id2), 'roles', '{MASTER}'::text[]),
-        json_build_object('id', _citizen_id3)
+        json_build_object('citizen', json_build_object('id', _citizen_id3), 'roles', '{MASTER}'::text[])
     )) m;
 
     assert json_array_length(members) = 2, 'The members count must be equal to 2';
-    assert members::jsonb @> jsonb_build_array(jsonb_build_object('id', _citizen_id3)),
+    assert (members::jsonb) @> jsonb_build_array(jsonb_build_object(
+            'id', (created_workgroup->>'id'),
+            'citizen', jsonb_build_object('id', _citizen_id3),
+            'roles', jsonb_build_array('MASTER')
+        )),
         'Members must contain citizen3';
 
-    -- Check if "find_citizen_by_id" retrun workgroups of citizen
+    -- Check if "find_citizen_by_id" retrun citizen
-    assert (select find_citizen_by_id(_citizen_id2)#>>'{workgroups, 0, id}') = (created_workgroup->>'id'), 'find_citizen_by_id must return workgroups';
+    assert (select find_citizen_by_id(_citizen_id2)#>>'{id}')::uuid = _citizen_id2, 'find_citizen_by_id must return citizen';
+
+    -- Check if "find_citizen_by_id_with_user_and_workgroups" retrun workgroups of citizen
+    select find_citizen_by_id_with_user_and_workgroups(_citizen_id3) into selected_citizen;
+    assert selected_citizen#>>'{workgroups, 0, roles, 0}' = 'MASTER', format('workgroup must have MASTER role, %s', selected_citizen#>>'{workgroups, 0, roles, 0}');
 
     -- update
     select m into members from update_workgroup_members((created_workgroup->>'id')::uuid, json_build_array(
-            json_build_object('id', _citizen_id2),
+            json_build_object('citizen', json_build_object('id', _citizen_id2), 'roles', '{MASTER}'::text[]),
-            json_build_object('id', _citizen_id)
+            json_build_object('citizen', json_build_object('id', _citizen_id), 'roles', '{MASTER}'::text[])
         )) m;
     assert json_array_length(members) = 2, 'The members count must be equal to 2';
-    assert members::jsonb @> jsonb_build_array(jsonb_build_object('id', _citizen_id)),
+    assert (members::jsonb) @> jsonb_build_array(jsonb_build_object(
-        'Members must contain citizen2';
+            'id', (created_workgroup->>'id'),
-    assert not members::jsonb @> jsonb_build_array(jsonb_build_object('id', _citizen_id3)),
+            'citizen', jsonb_build_object('id', _citizen_id),
-        'Members must NOT contain citizen3';
+            'roles', jsonb_build_array('MASTER')
+        )), 'Members must contain citizen1';
+    assert not (members::jsonb) @> jsonb_build_array(jsonb_build_object(
+            'citizen', jsonb_build_object('id', _citizen_id3)
+        )), 'Members must NOT contain citizen3';
 
     -- remove
-    select m into members from remove_workgroup_members((created_workgroup->>'id')::uuid, json_build_array(
+    select m into members from remove_workgroup_members((created_workgroup->>'id')::uuid, json_build_array(jsonb_build_object(
-            json_build_object('id', _citizen_id2)
+            'citizen', json_build_object('id', _citizen_id2)
-        )) m;
+        ))) m;
     assert json_array_length(members) = 1, 'The members count must be equal to 1';
-    assert members::jsonb @> jsonb_build_array(jsonb_build_object('id', _citizen_id)),
+    assert (members::jsonb) @> jsonb_build_array(jsonb_build_object(
-        'Members must contain citizen1';
+            'citizen', jsonb_build_object('id', _citizen_id)
-    assert not members::jsonb @> jsonb_build_array(jsonb_build_object('id', _citizen_id2)),
+        )), 'Members must contain citizen1';
-        'Members must NOT contain citizen2';
+    assert not (members::jsonb) @> jsonb_build_array(jsonb_build_object(
+            'citizen', jsonb_build_object('id', _citizen_id2)
+        )), 'Members must NOT contain citizen2';
 
     select m into members from find_workgroup_members((created_workgroup->>'id')::uuid) m;
     assert json_array_length(members) = 1, 'The members count must be equal to 1';
-    assert members::jsonb @> jsonb_build_array(jsonb_build_object('id', _citizen_id)),
+    assert (members::jsonb) @> jsonb_build_array(jsonb_build_object(
-        'Members must contain citizen1';
+            'citizen', jsonb_build_object('id', _citizen_id)
-    assert not members::jsonb @> jsonb_build_array(jsonb_build_object('id', _citizen_id2)),
+        )), 'Members must contain citizen1';
-        'Members must NOT contain citizen2';
+    assert not (members::jsonb) @> jsonb_build_array(jsonb_build_object(
+            'citizen', jsonb_build_object('id', _citizen_id2)
+        )), 'Members must NOT contain citizen2';
+
     -- Check if find_workgroup_by_id return members
     select find_workgroup_by_id((created_workgroup->>'id')::uuid) into selected_workgroup;
     assert json_array_length(selected_workgroup->'members') = 1, 'Workgroup must have members';