src/main/kotlin/fr/dcproject/component/follow/database/FollowRepository.kt

@@ -59,7 +59,7 @@ sealed class FollowRepository<IN : TargetRef, OUT : TargetRef>(override var requ
     open fun findFollow(
         citizen: CitizenI,
         target: TargetRef
-    ): FollowForView<OUT>? =
+    ): FollowForView<TargetRef>? =
         requester
             .getFunction("find_follow")
             .selectOne(

src/main/kotlin/fr/dcproject/component/follow/routes/article/GetFollowArticle.kt

@@ -1,5 +1,6 @@
 package fr.dcproject.component.follow.routes.article
 
+import fr.dcproject.common.response.toOutput
 import fr.dcproject.common.security.assert
 import fr.dcproject.component.article.database.ArticleRef
 import fr.dcproject.component.auth.citizen
@@ -13,6 +14,7 @@ import io.ktor.locations.Location
 import io.ktor.locations.get
 import io.ktor.response.respond
 import io.ktor.routing.Route
+import org.joda.time.DateTime
 import java.util.UUID
 
 @KtorExperimentalLocationsAPI
@@ -26,7 +28,22 @@ object GetFollowArticle {
         get<ArticleFollowRequest> {
             repo.findFollow(citizen, it.article)?.let { follow ->
                 ac.assert { canView(follow, citizenOrNull) }
-                call.respond(follow)
+                call.respond(
+                    HttpStatusCode.OK,
+                    follow.let { f ->
+                        object {
+                            val id: UUID = f.id
+                            val createdBy: Any = f.createdBy.toOutput()
+                            val target: Any = f.target.let { t ->
+                                object {
+                                    val id: UUID = t.id
+                                    val reference: String = f.target.reference
+                                }
+                            }
+                            val createdAt: DateTime = f.createdAt
+                        }
+                    }
+                )
             } ?: call.respond(HttpStatusCode.NoContent)
         }
     }

src/main/resources/openapi2.yaml

@@ -729,6 +729,48 @@ paths:
               schema:
                 $ref: '#/components/schemas/ConstitutionResponse'
 
+  /articles/{article}/follows:
+    parameters:
+      - $ref: '#/components/parameters/article'
+    get:
+      security:
+        - JWTAuth: [ ]
+      summary: Return Follow or nothing if you not follow
+      tags:
+        - follow
+        - article
+      responses:
+        200:
+          description: Return your follow
+          content:
+            application/json:
+              schema:
+                $ref: '#/components/schemas/FollowResponse'
+        404:
+          description: You not follow this article
+    post:
+      security:
+        - JWTAuth: [ ]
+      summary: Follow one article
+      tags:
+        - follow
+        - article
+      responses:
+        201:
+          description: Return only http status 201 on success
+    delete:
+      security:
+        - JWTAuth: [ ]
+      summary: Unfollow one article
+      tags:
+        - follow
+        - article
+      responses:
+        204:
+          description: Return only http status 204 on success
+        401:
+          $ref: '#/components/responses/401'
+
 components:
   parameters:
     page:
@@ -1343,6 +1385,32 @@ components:
           type: string
           format: 'date-time'
 
+    FollowResponse:
+      additionalProperties: false
+      required:
+        - id
+        - createdBy
+        - createdAt
+        - target
+      properties:
+        id:
+          $ref: '#/components/schemas/UUID'
+        createdBy:
+          $ref: '#/components/schemas/CitizenCreator'
+        createdAt:
+          type: string
+          format: 'date-time'
+        target:
+          required:
+            - id
+            - reference
+          additionalProperties: false
+          properties:
+            id:
+              $ref: '#/components/schemas/UUID'
+            reference:
+              type: string
+
   securitySchemes:
     JWTAuth:
       type: http