add compare api

Author: Madongming

modules/structs/repo_compare.go

@@ -0,0 +1,68 @@
+// Copyright 2020 The Gitea Authors. All rights reserved.
+// Use of this source code is governed by a MIT-style
+// license that can be found in the LICENSE file.
+
+package structs
+
+// DiffLineSectionInfo represents diff line section meta data
+type DiffLineSectionInfo struct {
+	Path          string `json:"path"`
+	LastLeftIdx   int    `json:"last_left_idx"`
+	LastRightIdx  int    `json:"last_right_idx"`
+	LeftIdx       int    `json:"left_idx"`
+	RightIdx      int    `json:"right_idx"`
+	LeftHunkSize  int    `json:"left_hunk_size"`
+	RightHunkSize int    `json:"right_hunk_size"`
+}
+
+// DiffLine represents a line difference in a DiffSection.
+type DiffLine struct {
+	LeftIdx     int                  `json:"left_idx"`
+	RightIdx    int                  `json:"right_idx"`
+	Type        int                  `json:"type"`
+	Content     string               `json:"content"`
+	Comments    []*Comment           `json:"comments"`
+	SectionInfo *DiffLineSectionInfo `json:"section_info"`
+}
+
+// DiffSection represents a section of a DiffFile.
+type DiffSection struct {
+	Name  string      `json:"name"`
+	Lines []*DiffLine `json:"lines"`
+}
+
+// DiffFile represents a file diff.
+type DiffFile struct {
+	Name         string         `json:"name"`
+	OldName      string         `json:"old_name"`
+	Index        int            `json:"index"`
+	Addition     int            `json:"addition"`
+	Deletion     int            `json:"deletion"`
+	Type         int            `json:"type"`
+	IsCreated    bool           `json:"is_created"`
+	IsDeleted    bool           `json:"is_deleted"`
+	IsBin        bool           `json:"is_bin"`
+	IsLFSFile    bool           `json:"is_lfs_file"`
+	IsRenamed    bool           `json:"is_renamed"`
+	IsSubmodule  bool           `json:"is_submoudule"`
+	Sections     []*DiffSection `json:"sections"`
+	IsIncomplete bool           `json:"is_incomplete"`
+}
+
+// Diff represents a difference between two git trees.
+type Diff struct {
+	TotalAddition int         `json:"total_addition"`
+	TotalDeletion int         `json:"total_deletion"`
+	Files         []*DiffFile `json:"files"`
+	IsIncomplete  bool        `json:"is_incomplete"`
+}
+
+// Compare information.
+type Compare struct {
+	Title        string    `json:"title"`
+	Commits      []*Commit `json:"commits"`
+	CommitCount  int       `json:"commit_count"`
+	Diff         *Diff     `json:"diff"`
+	BaseCommitID string    `json:"base_commit_id"`
+	HeadCommitID string    `json:"head_commit_id"`
+}

routers/api/v1/api.go

@@ -782,6 +782,7 @@ func RegisterRoutes(m *macaron.Macaron) {
 					m.Get("/trees/:sha", context.RepoRef(), repo.GetTree)
 					m.Get("/blobs/:sha", context.RepoRef(), repo.GetBlob)
 					m.Get("/tags/:sha", context.RepoRef(), repo.GetTag)
+					m.Get("/compare/*", context.ReferencesGitRepo(false), repo.GetCompare)
 				}, reqRepoReader(models.UnitTypeCode))
 				m.Group("/contents", func() {
 					m.Get("", repo.GetContentsList)