PLT-5050 (Server). API to update channel member roles. (#5043)

Implements API reference proposal mattermost-api-reference:#66.

model/authorization.go

@@ -27,6 +27,7 @@ var PERMISSION_MANAGE_PUBLIC_CHANNEL_MEMBERS *Permission
 var PERMISSION_MANAGE_PRIVATE_CHANNEL_MEMBERS *Permission
 var PERMISSION_ASSIGN_SYSTEM_ADMIN_ROLE *Permission
 var PERMISSION_MANAGE_ROLES *Permission
+var PERMISSION_MANAGE_CHANNEL_ROLES *Permission
 var PERMISSION_CREATE_DIRECT_CHANNEL *Permission
 var PERMISSION_MANAGE_PUBLIC_CHANNEL_PROPERTIES *Permission
 var PERMISSION_MANAGE_PRIVATE_CHANNEL_PROPERTIES *Permission
@@ -123,6 +124,11 @@ func InitalizePermissions() {
 		"authentication.permissions.manage_roles.name",
 		"authentication.permissions.manage_roles.description",
 	}
+	PERMISSION_MANAGE_CHANNEL_ROLES = &Permission{
+		"manage_channel_roles",
+		"authentication.permissions.manage_channel_roles.name",
+		"authentication.permissions.manage_channel_roles.description",
+	}
 	PERMISSION_MANAGE_SYSTEM = &Permission{
 		"manage_system",
 		"authentication.permissions.manage_system.name",
@@ -264,7 +270,9 @@ func InitalizeRoles() {
 		"channel_admin",
 		"authentication.roles.channel_admin.name",
 		"authentication.roles.channel_admin.description",
-		[]string{},
+		[]string{
+			PERMISSION_MANAGE_CHANNEL_ROLES.Id,
+		},
 	}
 	BuiltInRoles[ROLE_CHANNEL_ADMIN.Id] = ROLE_CHANNEL_ADMIN
 	ROLE_CHANNEL_GUEST = &Role{
@@ -296,6 +304,7 @@ func InitalizeRoles() {
 			PERMISSION_MANAGE_TEAM.Id,
 			PERMISSION_IMPORT_TEAM.Id,
 			PERMISSION_MANAGE_ROLES.Id,
+			PERMISSION_MANAGE_CHANNEL_ROLES.Id,
 			PERMISSION_MANAGE_OTHERS_WEBHOOKS.Id,
 			PERMISSION_MANAGE_SLASH_COMMANDS.Id,
 			PERMISSION_MANAGE_OTHERS_SLASH_COMMANDS.Id,

model/client.go

@@ -2334,3 +2334,26 @@ func (c *Client) ListReactions(channelId string, postId string) ([]*Reaction, *A
 		return ReactionsFromJson(r.Body), nil
 	}
 }
+
+// Updates the user's roles in the channel by replacing them with the roles provided.
+func (c *Client) UpdateChannelRoles(channelId string, userId string, roles string) (map[string]string, *ResponseMetadata) {
+	data := make(map[string]string)
+	data["new_roles"] = roles
+	data["user_id"] = userId
+
+	if r, err := c.DoApiPost(c.GetChannelRoute(channelId)+"/update_member_roles", MapToJson(data)); err != nil {
+		metadata := ResponseMetadata{Error: err}
+		if r != nil {
+			metadata.StatusCode = r.StatusCode
+		}
+		return nil, &metadata
+	} else {
+		defer closeBody(r)
+		return MapFromJson(r.Body),
+			&ResponseMetadata{
+				StatusCode: r.StatusCode,
+				RequestId:  r.Header.Get(HEADER_REQUEST_ID),
+				Etag:       r.Header.Get(HEADER_ETAG_SERVER),
+			}
+	}
+}