关于Breeze.js+Angular.js+KendoUI+BootStrap+TypeScript+EF4.5的使用心得记录之一

[BreezeController(MaxAnyAllExpressionDepth = 2)]
    public class AppointmentsController : BaseController
    {
        readonly EFContextProvider<AppointmentContext> _contextProvider = new EFContextProvider<AppointmentContext>();
        readonly EFContextProvider<LookupContext> _lookupContextProvider = new EFContextProvider<LookupContext>();
        readonly EFContextProvider<SetupScreeningSiteContext> _siteContextProvider = new EFContextProvider<SetupScreeningSiteContext>();
        readonly EFContextProvider<LookupScreeningParameterContext> _screenCentreContextProvider = new EFContextProvider<LookupScreeningParameterContext>();
        TransactionSettings transactionSettings = null;

        /// <summary>
        /// Gets the context provider.
        /// </summary>
        /// <value>
        /// The context provider.
        /// </value>
        public EFContextProvider<AppointmentContext> ContextProvider
        {
            get { return _contextProvider; }
        }

        /// <summary>
        /// Gets or sets the transaction settings.
        /// </summary>
        /// <value>
        /// The transaction settings.
        /// </value>
        public TransactionSettings TransactionSettings
        {
            get { return transactionSettings; }
            set { transactionSettings = value; }
        }

        /// <summary>
        /// Returns metadata string serialized from data context.
        /// </summary>
        /// <returns>string</returns>
        [AccessRightAuthorize(AccessRight.DEFAULT_SITE)]
        //[AccessRightAuthorize(AccessRight.APPOINT_READ)]
        [HttpGet]
        public string Metadata()
        {
            string metadata = string.Empty;
            try
            {
                metadata = _contextProvider.Metadata();
                return ControllerHelper.attachDisplayNameToMetadata(metadata);
            }
            catch (Exception ex)
            {
                if (this.HandleException(ex))
                {
                    throw ex;
                }
            }
            return metadata;
        }

   public getScreeningCentreById(centreId: number, forceRemote: boolean): breeze.promises.IPromise<App.DataAccess.Setups.ScreeningParameterModel.IEntityCentre> {
            var query = this.entityQuery
                .from("GetScreeningCentreParametersById")
                .withParameters({ centreId: centreId });

            return this.manager.executeQuery(query)
                .then((data) => {
                return data.results[0];
            });
        }

 //#region Breeze kendo grid extention Methods  
        public createSchema = (resourceName: string): any => {
            var schema: App.Shared.IBreezeKendoGridSchema = {
                total: function (data) {
                    return data.total;
                },
                model: {}
            };
            try {
                var typeObj = this.service.domainManager.getTypeByResourceName(resourceName);
            } catch (ex) {
                return schema;
            }
            var model: App.Shared.IBreezeKendoGridModel = {
                fields: {},
                id: {}
            };
            if (typeObj.keyProperties) {
                if (typeObj.keyProperties.length == 1) {
                    model.id = typeObj.keyProperties[0].name;
                } else if (typeObj.keyProperties.length > 1) {
                    var msg = "Multiple-key ID not supported";
                    this.logError(msg, "createSchema");
                    //typeObj.keyProperties.forEach(function (keyProp) {
                    //    model.id[keyProp.name] = keyProp.name;
                    //});
                }
            }
            typeObj.dataProperties.forEach(function (prop) {
                var type = "string";
                if (prop.dataType.isNumeric) {
                    type = "number";
                }
                else if (prop.dataType.isDate) {
                    type = "date";
                }
                else if (prop.dataType.getName() == "Boolean") {
                    type = "boolean";
                }
                model.fields[prop.name] = {
                    type: type,
                    defaultValue: prop.defaultValue,
                    nullable: prop.isNullable
                };
            });
            schema.model = model;
            return schema;
        }
//#endregion