Merge pull request #1408 from team-lab/feature-list-issues-for-a-repository-api

add api 'List issues for a repository'

src/main/scala/gitbucket/core/controller/ApiController.scala

@@ -287,6 +287,32 @@ trait ApiControllerBase extends ControllerBase {
     org.scalatra.NotFound(ApiError("Rate limiting is not enabled."))
   }
 
+  /**
+    * https://developer.github.com/v3/issues/#list-issues-for-a-repository
+    */
+  get("/api/v3/repos/:owner/:repository/issues")(referrersOnly { repository =>
+    val page = IssueSearchCondition.page(request)
+    // TODO: more api spec condition
+    val condition = IssueSearchCondition(request)
+    val baseOwner = getAccountByUserName(repository.owner).get
+
+    val issues: List[(Issue, Account)] =
+      searchIssueByApi(
+        condition = condition,
+        offset    = (page - 1) * PullRequestLimit,
+        limit     = PullRequestLimit,
+        repos     = repository.owner -> repository.name
+      )
+
+    JsonFormat(issues.map { case (issue, issueUser) =>
+      ApiIssue(
+        issue          = issue,
+        repositoryName = RepositoryName(repository),
+        user           = ApiUser(issueUser)
+      )
+    })
+  })
+
   /**
    * https://developer.github.com/v3/issues/#get-a-single-issue
    */

src/main/scala/gitbucket/core/service/IssuesService.scala

@@ -190,6 +190,19 @@ trait IssuesService {
     }} toList
   }
 
+  /** for api
+    * @return (issue, issueUser, commentCount)
+    */
+  def searchIssueByApi(condition: IssueSearchCondition, offset: Int, limit: Int, repos: (String, String)*)
+                            (implicit s: Session): List[(Issue, Account)] = {
+    // get issues and comment count and labels
+    searchIssueQueryBase(condition, false, offset, limit, repos)
+      .innerJoin(Accounts).on { case (((t1, t2), i), t3) => t3.userName === t1.openedUserName }
+      .sortBy { case (((t1, t2), i), t3) => i asc }
+      .map { case (((t1, t2), i), t3) => (t1, t3) }
+      .list
+  }
+
   /** for api
    * @return (issue, issueUser, commentCount, pullRequest, headRepo, headOwner)
    */