Suggestions for issues (#32327)

closes #16872

routers/web/repo/issue_suggestions.go

@@ -0,0 +1,93 @@
+// Copyright 2024 The Gitea Authors. All rights reserved.
+// SPDX-License-Identifier: MIT
+
+package repo
+
+import (
+	"net/http"
+
+	"code.gitea.io/gitea/models/db"
+	issues_model "code.gitea.io/gitea/models/issues"
+	"code.gitea.io/gitea/models/unit"
+	issue_indexer "code.gitea.io/gitea/modules/indexer/issues"
+	"code.gitea.io/gitea/modules/optional"
+	"code.gitea.io/gitea/services/context"
+)
+
+type issueSuggestion struct {
+	ID          int64  `json:"id"`
+	Title       string `json:"title"`
+	State       string `json:"state"`
+	PullRequest *struct {
+		Merged bool `json:"merged"`
+		Draft  bool `json:"draft"`
+	} `json:"pull_request,omitempty"`
+}
+
+// IssueSuggestions returns a list of issue suggestions
+func IssueSuggestions(ctx *context.Context) {
+	keyword := ctx.Req.FormValue("q")
+
+	canReadIssues := ctx.Repo.CanRead(unit.TypeIssues)
+	canReadPulls := ctx.Repo.CanRead(unit.TypePullRequests)
+
+	var isPull optional.Option[bool]
+	if canReadPulls && !canReadIssues {
+		isPull = optional.Some(true)
+	} else if canReadIssues && !canReadPulls {
+		isPull = optional.Some(false)
+	}
+
+	searchOpt := &issue_indexer.SearchOptions{
+		Paginator: &db.ListOptions{
+			Page:     0,
+			PageSize: 5,
+		},
+		Keyword:  keyword,
+		RepoIDs:  []int64{ctx.Repo.Repository.ID},
+		IsPull:   isPull,
+		IsClosed: nil,
+		SortBy:   issue_indexer.SortByUpdatedDesc,
+	}
+
+	ids, _, err := issue_indexer.SearchIssues(ctx, searchOpt)
+	if err != nil {
+		ctx.ServerError("SearchIssues", err)
+		return
+	}
+	issues, err := issues_model.GetIssuesByIDs(ctx, ids, true)
+	if err != nil {
+		ctx.ServerError("FindIssuesByIDs", err)
+		return
+	}
+
+	suggestions := make([]*issueSuggestion, 0, len(issues))
+
+	for _, issue := range issues {
+		suggestion := &issueSuggestion{
+			ID:    issue.ID,
+			Title: issue.Title,
+			State: string(issue.State()),
+		}
+
+		if issue.IsPull {
+			if err := issue.LoadPullRequest(ctx); err != nil {
+				ctx.ServerError("LoadPullRequest", err)
+				return
+			}
+			if issue.PullRequest != nil {
+				suggestion.PullRequest = &struct {
+					Merged bool `json:"merged"`
+					Draft  bool `json:"draft"`
+				}{
+					Merged: issue.PullRequest.HasMerged,
+					Draft:  issue.PullRequest.IsWorkInProgress(ctx),
+				}
+			}
+		}
+
+		suggestions = append(suggestions, suggestion)
+	}
+
+	ctx.JSON(http.StatusOK, suggestions)
+}

routers/web/web.go

@@ -1178,6 +1178,7 @@ func registerRoutes(m *web.Router) {
 				})
 			})
 		}, context.RepoRef())
+		m.Get("/issues/suggestions", repo.IssueSuggestions)
 	}, ignSignIn, context.RepoAssignment, reqRepoIssuesOrPullsReader)
 	// end "/{username}/{reponame}": view milestone, label, issue, pull, etc