Golang db.UpdateAll函數代碼示例

func UpdateAll(query interface{}, update interface{}) (*mgo.ChangeInfo, error) {
	return db.UpdateAll(
		Collection,
		query,
		update,
	)
}

// handleTaskTags will update the TaskJSON's tags depending on the request.
func handleTaskTag(w http.ResponseWriter, r *http.Request) {
	t, err := task.FindOne(task.ById(mux.Vars(r)["task_id"]))
	if err != nil {
		http.Error(w, err.Error(), http.StatusInternalServerError)
		return
	}
	if t == nil {
		http.Error(w, "{}", http.StatusNotFound)
		return
	}
	if r.Method == "DELETE" {
		if _, err = db.UpdateAll(collection,
			bson.M{VersionIdKey: t.Version, NameKey: mux.Vars(r)["name"]},
			bson.M{"$unset": bson.M{TagKey: 1}}); err != nil {
			http.Error(w, err.Error(), http.StatusInternalServerError)
			return
		}
		plugin.WriteJSON(w, http.StatusOK, "")
	}
	inTag := struct {
		Tag string `json:"tag"`
	}{}
	err = util.ReadJSONInto(r.Body, &inTag)
	if err != nil {
		http.Error(w, err.Error(), http.StatusInternalServerError)
		return
	}
	if len(inTag.Tag) == 0 {
		http.Error(w, "tag must not be blank", http.StatusBadRequest)
		return
	}

	_, err = db.UpdateAll(collection,
		bson.M{VersionIdKey: t.Version, NameKey: mux.Vars(r)["name"]},
		bson.M{"$set": bson.M{TagKey: inTag.Tag}})

	if err != nil {
		http.Error(w, err.Error(), http.StatusInternalServerError)
		return
	}
	plugin.WriteJSON(w, http.StatusOK, "")
}

// UntrackStaleProjectRefs sets all project_refs in the db not in the array
// of project identifiers to "untracked."
func UntrackStaleProjectRefs(activeProjects []string) error {
	_, err := db.UpdateAll(
		ProjectRefCollection,
		bson.M{ProjectRefIdentifierKey: bson.M{
			"$nin": activeProjects,
		}},
		bson.M{"$set": bson.M{
			ProjectRefTrackedKey: false,
		}},
	)
	return err
}

func (hwp *JSONPlugin) GetUIHandler() http.Handler {
	r := mux.NewRouter()
	r.HandleFunc("/version", func(w http.ResponseWriter, r *http.Request) {
		plugin.WriteJSON(w, http.StatusOK, "1")
	})
	r.HandleFunc("/task/{task_id}/{name}/", func(w http.ResponseWriter, r *http.Request) {
		var jsonForTask TaskJSON
		err := db.FindOneQ(collection, db.Query(bson.M{"task_id": mux.Vars(r)["task_id"], "name": mux.Vars(r)["name"]}), &jsonForTask)
		if err != nil {
			if err != mgo.ErrNotFound {
				http.Error(w, err.Error(), http.StatusInternalServerError)
				return
			}
			http.Error(w, "{}", http.StatusNotFound)
			return
		}
		plugin.WriteJSON(w, http.StatusOK, jsonForTask)
	})

	r.HandleFunc("/task/{task_id}/{name}/tags", func(w http.ResponseWriter, r *http.Request) {
		t, err := model.FindTask(mux.Vars(r)["task_id"])
		if err != nil {
			http.Error(w, err.Error(), http.StatusInternalServerError)
			return
		}
		tags := []struct {
			Tag string `bson:"_id" json:"tag"`
		}{}
		err = db.Aggregate(collection, []bson.M{
			{"$match": bson.M{"project_id": t.Project, "tag": bson.M{"$exists": true, "$ne": ""}}},
			{"$project": bson.M{"tag": 1}}, bson.M{"$group": bson.M{"_id": "$tag"}},
		}, &tags)
		if err != nil {
			http.Error(w, err.Error(), http.StatusInternalServerError)
			return
		}
		plugin.WriteJSON(w, http.StatusOK, tags)
	})
	r.HandleFunc("/task/{task_id}/{name}/tag", func(w http.ResponseWriter, r *http.Request) {
		t, err := model.FindTask(mux.Vars(r)["task_id"])
		if err != nil {
			http.Error(w, err.Error(), http.StatusInternalServerError)
			return
		}
		if t == nil {
			http.Error(w, "{}", http.StatusNotFound)
			return
		}
		if r.Method == "DELETE" {
			if _, err = db.UpdateAll(collection,
				bson.M{"version_id": t.Version, "name": mux.Vars(r)["name"]},
				bson.M{"$unset": bson.M{"tag": 1}}); err != nil {
				http.Error(w, err.Error(), http.StatusInternalServerError)
				return
			}
			plugin.WriteJSON(w, http.StatusOK, "")
		}
		inTag := struct {
			Tag string `json:"tag"`
		}{}
		err = util.ReadJSONInto(r.Body, &inTag)
		if err != nil {
			http.Error(w, err.Error(), http.StatusInternalServerError)
			return
		}
		if len(inTag.Tag) == 0 {
			http.Error(w, "tag must not be blank", http.StatusBadRequest)
			return
		}

		_, err = db.UpdateAll(collection,
			bson.M{"version_id": t.Version, "name": mux.Vars(r)["name"]},
			bson.M{"$set": bson.M{"tag": inTag.Tag}})

		if err != nil {
			http.Error(w, err.Error(), http.StatusInternalServerError)
			return
		}
		plugin.WriteJSON(w, http.StatusOK, "")
	})
	r.HandleFunc("/tag/{project_id}/{tag}/{variant}/{task_name}/{name}", func(w http.ResponseWriter, r *http.Request) {
		var jsonForTask TaskJSON
		err := db.FindOneQ(collection,
			db.Query(bson.M{"project_id": mux.Vars(r)["project_id"],
				"tag":       mux.Vars(r)["tag"],
				"variant":   mux.Vars(r)["variant"],
				"task_name": mux.Vars(r)["task_name"],
				"name":      mux.Vars(r)["name"],
			}), &jsonForTask)
		if err != nil {
			if err != mgo.ErrNotFound {
				http.Error(w, err.Error(), http.StatusInternalServerError)
				return
			}
			http.Error(w, "{}", http.StatusNotFound)
			return
		}
		plugin.WriteJSON(w, http.StatusOK, jsonForTask)
	})
	r.HandleFunc("/commit/{project_id}/{revision}/{variant}/{task_name}/{name}", func(w http.ResponseWriter, r *http.Request) {
//.........這裏部分代碼省略.........