Per space label, icon, description

Labels introduce visual grouping and filtering of spaces.

domain/label/endpoint.go

@@ -0,0 +1,201 @@
+// Copyright 2016 Documize Inc. <legal@documize.com>. All rights reserved.
+//
+// This software (Documize Community Edition) is licensed under
+// GNU AGPL v3 http://www.gnu.org/licenses/agpl-3.0.en.html
+//
+// You can operate outside the AGPL restrictions by purchasing
+// Documize Enterprise Edition and obtaining a commercial license
+// by contacting <sales@documize.com>.
+//
+// https://documize.com
+
+package label
+
+import (
+	"encoding/json"
+	"io/ioutil"
+	"net/http"
+
+	"github.com/documize/community/core/env"
+	"github.com/documize/community/core/request"
+	"github.com/documize/community/core/response"
+	"github.com/documize/community/core/streamutil"
+	"github.com/documize/community/core/uniqueid"
+	"github.com/documize/community/domain"
+	"github.com/documize/community/domain/store"
+	"github.com/documize/community/model/audit"
+	"github.com/documize/community/model/label"
+)
+
+// Handler contains the runtime information such as logging and database.
+type Handler struct {
+	Runtime *env.Runtime
+	Store   *store.Store
+}
+
+// Add space label to the store.
+func (h *Handler) Add(w http.ResponseWriter, r *http.Request) {
+	method := "label.Add"
+	ctx := domain.GetRequestContext(r)
+
+	if !h.Runtime.Product.IsValid(ctx) {
+		response.WriteBadLicense(w)
+		return
+	}
+
+	if !ctx.Administrator {
+		response.WriteForbiddenError(w)
+		return
+	}
+
+	defer streamutil.Close(r.Body)
+	body, err := ioutil.ReadAll(r.Body)
+	if err != nil {
+		response.WriteBadRequestError(w, method, err.Error())
+		return
+	}
+
+	l := label.Label{}
+	err = json.Unmarshal(body, &l)
+	if err != nil {
+		response.WriteBadRequestError(w, method, err.Error())
+		h.Runtime.Log.Error(method, err)
+		return
+	}
+	l.RefID = uniqueid.Generate()
+
+	ctx.Transaction, err = h.Runtime.Db.Beginx()
+	if err != nil {
+		response.WriteServerError(w, method, err)
+		h.Runtime.Log.Error(method, err)
+		return
+	}
+
+	err = h.Store.Label.Add(ctx, l)
+	if err != nil {
+		ctx.Transaction.Rollback()
+		response.WriteServerError(w, method, err)
+		h.Runtime.Log.Error(method, err)
+		return
+	}
+
+	ctx.Transaction.Commit()
+
+	h.Store.Audit.Record(ctx, audit.EventTypeLabelAdd)
+
+	response.WriteJSON(w, l)
+}
+
+// Get returns all space labels.
+func (h *Handler) Get(w http.ResponseWriter, r *http.Request) {
+	method := "label.Get"
+	ctx := domain.GetRequestContext(r)
+
+	l, err := h.Store.Label.Get(ctx)
+	if err != nil {
+		response.WriteServerError(w, method, err)
+		h.Runtime.Log.Error(method, err)
+		return
+	}
+	if len(l) == 0 {
+		l = []label.Label{}
+	}
+
+	response.WriteJSON(w, l)
+}
+
+// Update persists label name/color changes.
+func (h *Handler) Update(w http.ResponseWriter, r *http.Request) {
+	method := "label.Update"
+	ctx := domain.GetRequestContext(r)
+
+	if !ctx.Administrator {
+		response.WriteForbiddenError(w)
+		return
+	}
+
+	labelID := request.Param(r, "labelID")
+	if len(labelID) == 0 {
+		response.WriteMissingDataError(w, method, "labelID")
+		return
+	}
+
+	defer streamutil.Close(r.Body)
+	body, err := ioutil.ReadAll(r.Body)
+	if err != nil {
+		response.WriteBadRequestError(w, method, "Bad payload")
+		return
+	}
+
+	l := label.Label{}
+	err = json.Unmarshal(body, &l)
+	if err != nil {
+		response.WriteBadRequestError(w, method, "Bad payload")
+		return
+	}
+
+	l.RefID = labelID
+
+	ctx.Transaction, err = h.Runtime.Db.Beginx()
+	if err != nil {
+		response.WriteServerError(w, method, err)
+		h.Runtime.Log.Error(method, err)
+		return
+	}
+
+	err = h.Store.Label.Update(ctx, l)
+	if err != nil {
+		ctx.Transaction.Rollback()
+		response.WriteServerError(w, method, err)
+		h.Runtime.Log.Error(method, err)
+		return
+	}
+
+	ctx.Transaction.Commit()
+
+	h.Store.Audit.Record(ctx, audit.EventTypeLabelUpdate)
+
+	response.WriteEmpty(w)
+}
+
+// Delete removes space label from store and
+// removes label association from spaces.
+func (h *Handler) Delete(w http.ResponseWriter, r *http.Request) {
+	method := "label.Delete"
+	ctx := domain.GetRequestContext(r)
+
+	labelID := request.Param(r, "labelID")
+	if len(labelID) == 0 {
+		response.WriteMissingDataError(w, method, "labelID")
+		return
+	}
+
+	var err error
+	ctx.Transaction, err = h.Runtime.Db.Beginx()
+	if err != nil {
+		response.WriteServerError(w, method, err)
+		return
+	}
+
+	_, err = h.Store.Label.Delete(ctx, labelID)
+	if err != nil {
+		ctx.Transaction.Rollback()
+		response.WriteServerError(w, method, err)
+		h.Runtime.Log.Error(method, err)
+		return
+	}
+
+	err = h.Store.Label.RemoveReference(ctx, labelID)
+	if err != nil {
+		ctx.Transaction.Rollback()
+		response.WriteServerError(w, method, err)
+		h.Runtime.Log.Error(method, err)
+		return
+	}
+
+	ctx.Transaction.Commit()
+
+	h.Store.Audit.Record(ctx, audit.EventTypeLabelDelete)
+
+	response.WriteEmpty(w)
+}