Refactored to rename "service terms" to "terms of service" (#9581)

* #124 renamed identififers from service terms to terms of service

* #124 renamed identififers from service terms to terms of service

* 124 renamed ServiceTerms model to TermsOfService

* 124 Renamed EnableCustomServiceTerms feature flag to EnableCustomTermsOfService

* 124 Renamed EnableCustomServiceTerms feature flag to EnableCustomTermsOfService

* #124 fixed formatting

* #124 fixed formatting

* #132 renamed table ServiceTerms to TermsOfService

* #124 renamed some missed files from 'service_terms' to 'terms_of_service'

* #124 removed fixed TODOs

* drop migrate of ServiceTerms table, since backporting

* s/ServiceTerms/TermsOfService/ in tests

* s/AcceptedServiceTermsId/AcceptedTermsOfServiceId/

Change the model attribute, even though the column name will eventually be removed.

* s/accepted_service_terms_id/accepted_terms_of_service_id/ to match redux

* s/serviceTerms/termsOfService

* rename column too, and add max size constraint

* s/EnableCustomServiceTerms/EnableCustomTermsOfService

api4/terms_of_service.go

@@ -0,0 +1,64 @@
+// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
+// See License.txt for license information.
+
+package api4
+
+import (
+	"github.com/mattermost/mattermost-server/app"
+	"github.com/mattermost/mattermost-server/model"
+	"net/http"
+)
+
+func (api *API) InitTermsOfService() {
+	api.BaseRoutes.TermsOfService.Handle("", api.ApiSessionRequired(getTermsOfService)).Methods("GET")
+	api.BaseRoutes.TermsOfService.Handle("", api.ApiSessionRequired(createTermsOfService)).Methods("POST")
+}
+
+func getTermsOfService(c *Context, w http.ResponseWriter, r *http.Request) {
+	termsOfService, err := c.App.GetLatestTermsOfService()
+	if err != nil {
+		c.Err = err
+		return
+	}
+
+	w.Write([]byte(termsOfService.ToJson()))
+}
+
+func createTermsOfService(c *Context, w http.ResponseWriter, r *http.Request) {
+	if !c.App.SessionHasPermissionTo(c.Session, model.PERMISSION_MANAGE_SYSTEM) {
+		c.SetPermissionError(model.PERMISSION_MANAGE_SYSTEM)
+		return
+	}
+
+	if license := c.App.License(); license == nil || !*license.Features.CustomTermsOfService {
+		c.Err = model.NewAppError("createTermsOfService", "api.create_terms_of_service.custom_terms_of_service_disabled.app_error", nil, "", http.StatusBadRequest)
+		return
+	}
+
+	props := model.MapFromJson(r.Body)
+	text := props["text"]
+	userId := c.Session.UserId
+
+	if text == "" {
+		c.Err = model.NewAppError("Config.IsValid", "api.create_terms_of_service.empty_text.app_error", nil, "", http.StatusBadRequest)
+		return
+	}
+
+	oldTermsOfService, err := c.App.GetLatestTermsOfService()
+	if err != nil && err.Id != app.ERROR_TERMS_OF_SERVICE_NO_ROWS_FOUND {
+		c.Err = err
+		return
+	}
+
+	if oldTermsOfService == nil || oldTermsOfService.Text != text {
+		termsOfService, err := c.App.CreateTermsOfService(text, userId)
+		if err != nil {
+			c.Err = err
+			return
+		}
+
+		w.Write([]byte(termsOfService.ToJson()))
+	} else {
+		w.Write([]byte(oldTermsOfService.ToJson()))
+	}
+}