@synerty/vortexjs
Version:
Custom observable data serialisation and routing based on Angular 2+
251 lines • 31.8 kB
JavaScript
import { SerialiseUtil } from "./exports";
import { deepCopy } from "./UtilMisc";
import "./UtilString";
import { PayloadEnvelope } from "./PayloadEnvelope";
import { Payload } from "./Payload";
const JSONABLE_TYPES = {};
export function addJsonableType(jsonableType) {
return function (_Class) {
JSONABLE_TYPES[jsonableType] = _Class;
return _Class;
};
}
/**
* ############################################################################### #
* JSON Serialisation functions
* ###############################################################################
*/
export class Jsonable extends SerialiseUtil {
_tupleType;
_rawJonableFields = null;
static JSON_CLASS_TYPE = "_ct";
// private static readonly JSON_CLASS = "_c";
static JSON_TUPLE_TYPE = "_c";
static JSON_FIELD_TYPE = "_ft";
static JSON_FIELD_DATA = "_fd";
constructor() {
super();
/*
* Jsonable This class gives simple objects suport for serialising to/from json.
* It handles Number, String, Array and Date. It doesn't handle more complex
* structures (hence why Payloads have their own functions to do this)
*/
let self = this;
self.__rst = SerialiseUtil.T_GENERIC_CLASS;
}
_isRawJsonableField(name) {
if (name == null || name.length == 0) {
return false;
}
if (this._rawJonableFields == null) {
return false;
}
return this._rawJonableFields.indexOf(name) != -1;
}
_fieldNames() {
let self = this;
let keys = [];
for (let k in self) {
if (!k.startsWith("_") && self.hasOwnProperty(k)) {
keys.push(k);
}
}
return keys;
}
equals(other) {
let self = this;
return self.rapuiEquals(self, other, self._fieldNames(), other._fieldNames());
}
toRestfulJsonDict() {
return this._tupleToJsonDict(true);
}
toJsonDict() {
return this._tupleToJsonDict(false);
}
_tupleToJsonDict(useShortNames) {
let self = this;
let jsonDict = {};
if (!useShortNames) {
jsonDict[Jsonable.JSON_CLASS_TYPE] = self.__rst;
}
if (!useShortNames && self._tupleType != null) {
jsonDict[Jsonable.JSON_TUPLE_TYPE] = self._tupleType;
}
/* This is in the PY version
else
jsonDict[JSON_CLASS] = className(self)
*/
let fieldNames = self._fieldNames();
// fieldNames.sort(); // Why?
// Create the <items> base element
for (let i = 0; i < fieldNames.length; ++i) {
let name = fieldNames[i];
self.toJsonField(self[name], jsonDict, name, useShortNames);
}
return jsonDict;
}
fromJsonDict(jsonDict) {
/*
* From Json Returns and instance of this object populated with data from the
* json dict
*
*/
for (const name of Object.keys(jsonDict)) {
if (name.startsWith("_")) {
continue;
}
if (this._isRawJsonableField(name)) {
this[name] = jsonDict[name];
}
else {
this[name] = this.fromJsonField(jsonDict[name]);
}
}
// This is only required for unit tests new Tuple().fromJsonDict(..)
if (jsonDict[Jsonable.JSON_CLASS_TYPE] == SerialiseUtil.T_RAPUI_TUPLE) {
this._tupleType = jsonDict[Jsonable.JSON_TUPLE_TYPE];
}
return this;
}
toJsonField(value, jsonDict = null, name = null, useShortNames = false) {
let self = this;
let convertedValue = null;
let valueType = value == null ? SerialiseUtil.V_NULL : self.toRapuiType(value);
if (this._isRawJsonableField(name)) {
convertedValue = deepCopy(value);
}
else if (valueType === SerialiseUtil.T_RAPUI_TUPLE ||
valueType === SerialiseUtil.T_RAPUI_PAYLOAD ||
valueType === SerialiseUtil.T_RAPUI_PAYLOAD_ENVELOPE) {
if (useShortNames) {
convertedValue = value.toRestfulJsonDict();
}
else {
convertedValue = value.toJsonDict();
}
}
else if (valueType === SerialiseUtil.T_DICT) {
// Treat these like dicts
convertedValue = {};
for (const keyName of Object.keys(value)) {
if (useShortNames) {
self.toJsonField(value[keyName], convertedValue, keyName, true);
}
else {
self.toJsonField(value[keyName], convertedValue, keyName);
}
}
}
else if (valueType === SerialiseUtil.T_LIST) {
convertedValue = [];
// List
for (let i = 0; i < value.length; ++i) {
let element;
if (useShortNames) {
element = self.toJsonField(value[i], null, null, true);
}
else {
element = self.toJsonField(value[i]);
}
convertedValue.push(element);
}
}
else if (valueType === SerialiseUtil.T_FLOAT ||
valueType === SerialiseUtil.T_INT ||
valueType === SerialiseUtil.T_BOOL ||
valueType === SerialiseUtil.T_STR) {
convertedValue = value;
}
else if (valueType === SerialiseUtil.V_NULL) {
convertedValue = null;
}
else {
convertedValue = self.toStr(value);
}
// Non standard values need a dict to store their value type attributes
// Create a sub dict that contains the value and type
let jsonStandardTypes = [
SerialiseUtil.T_FLOAT,
SerialiseUtil.T_STR,
SerialiseUtil.T_INT,
SerialiseUtil.V_NULL,
SerialiseUtil.T_BOOL,
SerialiseUtil.T_LIST,
SerialiseUtil.T_DICT,
];
if (jsonStandardTypes.indexOf(valueType) === -1 &&
!(value instanceof Jsonable)) {
let typedData = {};
typedData[Jsonable.JSON_FIELD_TYPE] = valueType;
typedData[Jsonable.JSON_FIELD_DATA] = convertedValue;
convertedValue = typedData;
}
/* Now assign the value and it's value type if applicable */
if (name != null && jsonDict != null) {
jsonDict[name] = convertedValue;
}
return convertedValue;
}
// ----------------------------------------------------------------------------
fromJsonField(value, valueType = null) {
let self = this;
if (valueType === SerialiseUtil.V_NULL || value == null) {
return null;
}
if (valueType === SerialiseUtil.T_INT) {
return value;
}
if (value[Jsonable.JSON_CLASS_TYPE] != null) {
valueType = value[Jsonable.JSON_CLASS_TYPE];
}
// JSON handles these types natively,
// if there is no type then these are the right types
if (valueType == null) {
valueType = self.toRapuiType(value);
if ([
SerialiseUtil.T_BOOL,
SerialiseUtil.T_FLOAT,
SerialiseUtil.T_INT,
SerialiseUtil.T_STR,
].indexOf(valueType) !== -1) {
return value;
}
}
if (value[Jsonable.JSON_FIELD_TYPE] != null) {
return self.fromJsonField(value[Jsonable.JSON_FIELD_DATA], value[Jsonable.JSON_FIELD_TYPE]);
}
// Tuple
if (valueType === SerialiseUtil.T_RAPUI_TUPLE) {
let Tuple = JSONABLE_TYPES[SerialiseUtil.T_RAPUI_TUPLE];
let tupleType = value[Jsonable.JSON_TUPLE_TYPE];
let newTuple = Tuple.create(tupleType);
return newTuple.fromJsonDict(value);
}
// Handle the case of payloads within payloads
if (valueType === SerialiseUtil.T_RAPUI_PAYLOAD) {
return new Payload().fromJsonDict(value);
}
// Payload Endpoint
if (valueType === SerialiseUtil.T_RAPUI_PAYLOAD_ENVELOPE) {
return new PayloadEnvelope().fromJsonDict(value);
}
/* SKIP T_GENERIC_CLASS */
if (valueType === SerialiseUtil.T_DICT) {
let restoredDict = {};
for (const subName of Object.keys(value)) {
restoredDict[subName] = self.fromJsonField(value[subName]);
}
return restoredDict;
}
if (valueType === SerialiseUtil.T_LIST) {
let restoredList = [];
for (let i = 0; i < value.length; ++i) {
restoredList.push(self.fromJsonField(value[i]));
}
return restoredList;
}
// Handle single value
return self.fromStr(value, valueType);
}
}
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{ SerialiseUtil } from \"./exports\";\nimport { deepCopy } from \"./UtilMisc\";\nimport \"./UtilString\";\nimport { PayloadEnvelope } from \"./PayloadEnvelope\";\nimport { Payload } from \"./Payload\";\n\nconst JSONABLE_TYPES = {};\n\nexport function addJsonableType(jsonableType: string) {\n    return function (_Class: any) {\n        JSONABLE_TYPES[jsonableType] = _Class;\n        return _Class;\n    };\n}\n\n/**\n * ############################################################################### #\n * JSON Serialisation functions\n * ###############################################################################\n */\nexport class Jsonable extends SerialiseUtil {\n    public _tupleType: string;\n    protected _rawJonableFields = null;\n\n    public static readonly JSON_CLASS_TYPE = \"_ct\";\n    // private static readonly JSON_CLASS = \"_c\";\n    private static readonly JSON_TUPLE_TYPE = \"_c\";\n    private static readonly JSON_FIELD_TYPE = \"_ft\";\n    private static readonly JSON_FIELD_DATA = \"_fd\";\n\n    constructor() {\n        super();\n        /*\n         * Jsonable This class gives simple objects suport for serialising to/from json.\n         * It handles Number, String, Array and Date. It doesn't handle more complex\n         * structures (hence why Payloads have their own functions to do this)\n         */\n        let self: Jsonable = this;\n\n        self.__rst = SerialiseUtil.T_GENERIC_CLASS;\n    }\n\n    private _isRawJsonableField(name: string): boolean {\n        if (name == null || name.length == 0) {\n            return false;\n        }\n        if (this._rawJonableFields == null) {\n            return false;\n        }\n        return this._rawJonableFields.indexOf(name) != -1;\n    }\n\n    _fieldNames() {\n        let self = this;\n\n        let keys = [];\n        for (let k in self) {\n            if (!k.startsWith(\"_\") && self.hasOwnProperty(k)) {\n                keys.push(k);\n            }\n        }\n        return keys;\n    }\n\n    equals(other) {\n        let self = this;\n\n        return self.rapuiEquals(\n            self,\n            other,\n            self._fieldNames(),\n            other._fieldNames(),\n        );\n    }\n\n    toRestfulJsonDict() {\n        return this._tupleToJsonDict(true);\n    }\n\n    toJsonDict() {\n        return this._tupleToJsonDict(false);\n    }\n\n    private _tupleToJsonDict(useShortNames: boolean) {\n        let self = this;\n\n        let jsonDict = {};\n        if (!useShortNames) {\n            jsonDict[Jsonable.JSON_CLASS_TYPE] = self.__rst;\n        }\n\n        if (!useShortNames && self._tupleType != null) {\n            jsonDict[Jsonable.JSON_TUPLE_TYPE] = self._tupleType;\n        }\n\n        /* This is in the PY version\n         else\n         jsonDict[JSON_CLASS] = className(self)\n         */\n\n        let fieldNames = self._fieldNames();\n        // fieldNames.sort(); // Why?\n\n        // Create the <items> base element\n        for (let i = 0; i < fieldNames.length; ++i) {\n            let name = fieldNames[i];\n            self.toJsonField(self[name], jsonDict, name, useShortNames);\n        }\n\n        return jsonDict;\n    }\n\n    fromJsonDict(jsonDict: {}): any {\n        /*\n         * From Json Returns and instance of this object populated with data from the\n         * json dict\n         *\n         */\n        for (const name of Object.keys(jsonDict)) {\n            if (name.startsWith(\"_\")) {\n                continue;\n            }\n\n            if (this._isRawJsonableField(name)) {\n                this[name] = jsonDict[name];\n            } else {\n                this[name] = this.fromJsonField(jsonDict[name]);\n            }\n        }\n\n        // This is only required for unit tests new Tuple().fromJsonDict(..)\n        if (jsonDict[Jsonable.JSON_CLASS_TYPE] == SerialiseUtil.T_RAPUI_TUPLE) {\n            this._tupleType = jsonDict[Jsonable.JSON_TUPLE_TYPE];\n        }\n\n        return this;\n    }\n\n    toJsonField(\n        value: any,\n        jsonDict: {} | null = null,\n        name: string | null = null,\n        useShortNames: boolean = false,\n    ): any {\n        let self = this;\n\n        let convertedValue = null;\n        let valueType =\n            value == null ? SerialiseUtil.V_NULL : self.toRapuiType(value);\n\n        if (this._isRawJsonableField(name)) {\n            convertedValue = deepCopy(value);\n        } else if (\n            valueType === SerialiseUtil.T_RAPUI_TUPLE ||\n            valueType === SerialiseUtil.T_RAPUI_PAYLOAD ||\n            valueType === SerialiseUtil.T_RAPUI_PAYLOAD_ENVELOPE\n        ) {\n            if (useShortNames) {\n                convertedValue = value.toRestfulJsonDict();\n            } else {\n                convertedValue = value.toJsonDict();\n            }\n        } else if (valueType === SerialiseUtil.T_DICT) {\n            // Treat these like dicts\n            convertedValue = {};\n            for (const keyName of Object.keys(value)) {\n                if (useShortNames) {\n                    self.toJsonField(\n                        value[keyName],\n                        convertedValue,\n                        keyName,\n                        true,\n                    );\n                } else {\n                    self.toJsonField(value[keyName], convertedValue, keyName);\n                }\n            }\n        } else if (valueType === SerialiseUtil.T_LIST) {\n            convertedValue = [];\n            // List\n            for (let i = 0; i < value.length; ++i) {\n                let element;\n                if (useShortNames) {\n                    element = self.toJsonField(value[i], null, null, true);\n                } else {\n                    element = self.toJsonField(value[i]);\n                }\n                convertedValue.push(element);\n            }\n        } else if (\n            valueType === SerialiseUtil.T_FLOAT ||\n            valueType === SerialiseUtil.T_INT ||\n            valueType === SerialiseUtil.T_BOOL ||\n            valueType === SerialiseUtil.T_STR\n        ) {\n            convertedValue = value;\n        } else if (valueType === SerialiseUtil.V_NULL) {\n            convertedValue = null;\n        } else {\n            convertedValue = self.toStr(value);\n        }\n\n        // Non standard values need a dict to store their value type attributes\n        // Create a sub dict that contains the value and type\n        let jsonStandardTypes = [\n            SerialiseUtil.T_FLOAT,\n            SerialiseUtil.T_STR,\n            SerialiseUtil.T_INT,\n            SerialiseUtil.V_NULL,\n            SerialiseUtil.T_BOOL,\n            SerialiseUtil.T_LIST,\n            SerialiseUtil.T_DICT,\n        ];\n\n        if (\n            jsonStandardTypes.indexOf(valueType) === -1 &&\n            !(value instanceof Jsonable)\n        ) {\n            let typedData = {};\n            typedData[Jsonable.JSON_FIELD_TYPE] = valueType;\n            typedData[Jsonable.JSON_FIELD_DATA] = convertedValue;\n            convertedValue = typedData;\n        }\n\n        /* Now assign the value and it's value type if applicable */\n        if (name != null && jsonDict != null) {\n            jsonDict[name] = convertedValue;\n        }\n\n        return convertedValue;\n    }\n\n    // ----------------------------------------------------------------------------\n    fromJsonField(value: any, valueType: string = null) {\n        let self = this;\n        if (valueType === SerialiseUtil.V_NULL || value == null) {\n            return null;\n        }\n\n        if (valueType === SerialiseUtil.T_INT) {\n            return value;\n        }\n\n        if (value[Jsonable.JSON_CLASS_TYPE] != null) {\n            valueType = value[Jsonable.JSON_CLASS_TYPE];\n        }\n\n        // JSON handles these types natively,\n        // if there is no type then these are the right types\n        if (valueType == null) {\n            valueType = self.toRapuiType(value);\n            if (\n                [\n                    SerialiseUtil.T_BOOL,\n                    SerialiseUtil.T_FLOAT,\n                    SerialiseUtil.T_INT,\n                    SerialiseUtil.T_STR,\n                ].indexOf(valueType) !== -1\n            ) {\n                return value;\n            }\n        }\n\n        if (value[Jsonable.JSON_FIELD_TYPE] != null) {\n            return self.fromJsonField(\n                value[Jsonable.JSON_FIELD_DATA],\n                value[Jsonable.JSON_FIELD_TYPE],\n            );\n        }\n\n        // Tuple\n        if (valueType === SerialiseUtil.T_RAPUI_TUPLE) {\n            let Tuple = JSONABLE_TYPES[SerialiseUtil.T_RAPUI_TUPLE];\n            let tupleType = value[Jsonable.JSON_TUPLE_TYPE];\n            let newTuple = Tuple.create(tupleType);\n\n            return newTuple.fromJsonDict(value);\n        }\n\n        // Handle the case of payloads within payloads\n        if (valueType === SerialiseUtil.T_RAPUI_PAYLOAD) {\n            return new Payload().fromJsonDict(value);\n        }\n\n        // Payload Endpoint\n        if (valueType === SerialiseUtil.T_RAPUI_PAYLOAD_ENVELOPE) {\n            return new PayloadEnvelope().fromJsonDict(value);\n        }\n\n        /* SKIP T_GENERIC_CLASS */\n        if (valueType === SerialiseUtil.T_DICT) {\n            let restoredDict = {};\n            for (const subName of Object.keys(value)) {\n                restoredDict[subName] = self.fromJsonField(value[subName]);\n            }\n\n            return restoredDict;\n        }\n\n        if (valueType === SerialiseUtil.T_LIST) {\n            let restoredList = [];\n            for (let i = 0; i < value.length; ++i) {\n                restoredList.push(self.fromJsonField(value[i]));\n            }\n\n            return restoredList;\n        }\n\n        // Handle single value\n        return self.fromStr(value, valueType);\n    }\n}\n"]}