Force.com-JavaScript-REST-Toolkit/RemoteTKController.cls at master · singharjun/Force.com-JavaScript-REST-Toolkit · GitHub

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* Redistribution and use in source and binary forms, with or without modification, are permitted provided

* that the following conditions are met:

* Redistributions of source code must retain the above copyright notice, this list of conditions and the

* following disclaimer.

* Redistributions in binary form must reproduce the above copyright notice, this list of conditions and

* the following disclaimer in the documentation and/or other materials provided with the distribution.

* Neither the name of salesforce.com, inc. nor the names of its contributors may be used to endorse or

* promote products derived from this software without specific prior written permission.

* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED

* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A

* PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR

* ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED

* TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)

* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING

* NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE

* POSSIBILITY OF SUCH DAMAGE.

public class RemoteTKController {

private static String makeError(String message, String errorCode) {

JSONGenerator gen = JSON.createGenerator(false);

gen.writeStartArray();

gen.writeStartObject();

gen.writeStringField('message', message);

gen.writeStringField('errorCode', errorCode);

gen.writeEndObject();

gen.writeEndArray();

return gen.getAsString();

}

private static String writeFields(String objtype, SObject obj, String fields) {

Map<String, Object> fieldMap = null;

try {

fieldMap = (Map<String, Object>)JSON.deserializeUntyped(fields);

} catch (JSONException je) {

return makeError(je.getMessage(), 'JSON_PARSER_ERROR');

}

Schema.SObjectType targetType = Schema.getGlobalDescribe().get(objtype);

Map<String, Schema.sObjectField> targetFields = targetType.getDescribe().fields.getMap();

try {

for (String key : fieldMap.keySet()) {

if (targetFields.get(key) == null) {

return '[{"message":"Field '+key+' does not exist on object type '+objtype+'","errorCode":"INVALID_FIELD"}]';

}

Object value = fieldMap.get(key);

Schema.DisplayType valueType = targetFields.get(key).getDescribe().getType();

if (value instanceof String && valueType != Schema.DisplayType.String) {

// Coerce an incoming String to the correct type

String svalue = (String)value;

if (valueType == Schema.DisplayType.Date) {

obj.put(key, Date.valueOf(svalue));

} else if (valueType == Schema.DisplayType.Percent ||

valueType == Schema.DisplayType.Currency) {

obj.put(key, svalue == '' ? null : Decimal.valueOf(svalue));

} else if (valueType == Schema.DisplayType.Double) {

obj.put(key, svalue == '' ? null : Double.valueOf(svalue));

} else if (valueType == Schema.DisplayType.Integer) {

obj.put(key, Integer.valueOf(svalue));

} else {

obj.put(key, svalue);

}

} else {

// Just try putting the incoming value on the object

obj.put(key, value);

}

} catch (SObjectException soe) {

return makeError(soe.getMessage(), 'INVALID_FIELD');

}

return null;

}

private static List<Object> picklistOptions(Schema.DescribeFieldResult field) {

List<Object> picklistOptions = new List<Object>();

Schema.DisplayType fieldType = field.getType();

if (fieldType != Schema.DisplayType.Picklist &&

fieldType != Schema.DisplayType.MultiPicklist &&

fieldType != Schema.DisplayType.Combobox) {

return picklistOptions;

}

List<Schema.PicklistEntry> picklistValues = field.getPicklistValues();

for (Schema.PicklistEntry picklistValue: picklistValues) {

Map<String, Object> picklistOption = new Map<String, Object>();

picklistOption.put('value', picklistValue.getValue());

picklistOption.put('label', picklistValue.getValue());

picklistOption.put('active', picklistValue.isActive());

picklistOption.put('defaultValue', picklistValue.isDefaultValue());

picklistOptions.add(picklistOption);

}

return picklistOptions;

}

@remoteAction

public static String describe(String objtype) {

// Just enough to make the sample app work!

Schema.SObjectType targetType = Schema.getGlobalDescribe().get(objtype);

if (targetType == null) {

return makeError('The requested resource does not exist', 'NOT_FOUND');

}

Schema.DescribeSObjectResult sobjResult = targetType.getDescribe();

Map<String, Schema.SObjectField> fieldMap = sobjResult.fields.getMap();

List<Object> fields = new List<Object>();

for (String key : fieldMap.keySet()) {

Schema.DescribeFieldResult descField = fieldMap.get(key).getDescribe();

Map<String, Object> field = new Map<String, Object>();

field.put('type', descField.getType().name().toLowerCase());

field.put('name', descField.getName());

field.put('label', descField.getLabel());

List<String> references = new List<String>();

for (Schema.sObjectType t: descField.getReferenceTo()) {

references.add(t.getDescribe().getName());

}

if (!references.isEmpty()) {

field.put('referenceTo', references);

}

field.put('picklistValues', picklistOptions(descField));

fields.add(field);

}

Map<String, Object> result = new Map<String, Object>();

result.put('fields', fields);

return JSON.serialize(result);

}

@remoteAction

public static String create(String objtype, String fields) {

Schema.SObjectType targetType = Schema.getGlobalDescribe().get(objtype);

if (targetType == null) {

return makeError('The requested resource does not exist', 'NOT_FOUND');

}

SObject obj = targetType.newSObject();

String error = writeFields(objType, obj, fields);

if (error != null) {

return error;

}

try {

insert obj;

} catch (DMLException dmle) {

String fieldNames = '';

for (String field : dmle.getDmlFieldNames(0)) {

if (fieldNames.length() > 0) {

fieldNames += ',';

}

fieldNames += '"'+field+'"';

}

return '[{"fields":['+fieldNames+'],"message":"'+dmle.getDmlMessage(0)+'","errorCode":"'+dmle.getDmlType(0).name()+'"}]';

}

Map<String, Object> result = new Map<String, Object>();

result.put('id', obj.id);

result.put('errors', new List<String>());

result.put('success', true);

return JSON.serialize(result);

}

@remoteAction

public static String retrieve(String objtype, String id, String fieldlist) {

// TODO - handle null fieldlist - retrieve all fields

Boolean containsId = false;

for (String field : fieldlist.split(',')) {

if (field.equalsIgnoreCase('id')){

containsId = true;

break;

}

if (!containsId) {

fieldlist = 'Id,'+fieldlist;

}

String soql = 'SELECT '+fieldlist+' FROM '+objtype+' WHERE Id = \''+id+'\'';

List<sObject> records;

try {

records = Database.query(soql);

} catch (QueryException qe) {

return makeError(qe.getMessage(), 'INVALID_QUERY');

}

return JSON.serialize(records[0]);

}

@remoteAction

public static String upser(String objtype, String externalIdField, String externalId, String fields) {

Schema.SObjectType targetType = Schema.getGlobalDescribe().get(objtype);

if (targetType == null) {

return makeError('The requested resource does not exist', 'NOT_FOUND');

}

SObject obj = targetType.newSObject();

obj.put(externalIdField, externalId);

String error = writeFields(objType, obj, fields);

if (error != null) {

return error;

}

Schema.SObjectField sobjField = targetType.getDescribe().fields.getMap().get(externalIdField);

Database.Upsert(obj, sobjField);

return null;

}

@remoteAction

public static String updat(String objtype, String id, String fields) {

Schema.SObjectType targetType = Schema.getGlobalDescribe().get(objtype);

if (targetType == null) {

return makeError('The requested resource does not exist', 'NOT_FOUND');

}

SObject obj = targetType.newSObject(id);

String error = writeFields(objType, obj, fields);

if (error != null) {

return error;

}

try {

update obj;

} catch (DMLException dmle) {

String fieldNames = '';

for (String field : dmle.getDmlFieldNames(0)) {

if (fieldNames.length() > 0) {

fieldNames += ',';

}

fieldNames += '"'+field+'"';

}

return '[{"fields":['+fieldNames+'],"message":"'+dmle.getDmlMessage(0)+'","errorCode":"'+dmle.getDmlType(0).name()+'"}]';

}

return null;

}

@remoteAction

public static String del(String objtype, String id) {

Schema.SObjectType targetType = Schema.getGlobalDescribe().get(objtype);

if (targetType == null) {

return makeError('The requested resource does not exist', 'NOT_FOUND');

}

SObject obj = targetType.newSObject(id);

try {

delete obj;

} catch (DMLException dmle) {

String fieldNames = '';

for (String field : dmle.getDmlFieldNames(0)) {

if (fieldNames.length() > 0) {

fieldNames += ',';

}

fieldNames += '"'+field+'"';

}

return '[{"fields":['+fieldNames+'],"message":"'+dmle.getDmlMessage(0)+'","errorCode":"'+dmle.getDmlType(0).name()+'"}]';

}

return null;

}

@remoteAction

public static String query(String soql) {

List<sObject> records;

try {

records = Database.query(soql);

} catch (QueryException qe) {

return makeError(qe.getMessage(), 'INVALID_QUERY');

}

Map<String, Object> result = new Map<String, Object>();

result.put('records', records);

result.put('totalSize', records.size());

result.put('done', true);

return JSON.serialize(result);

}

@remoteAction

public static String search(String sosl) {

List<List<SObject>> result;

try {

result = Search.query(sosl);

} catch (QueryException qe) {

return makeError(qe.getMessage(), 'INVALID_SEARCH');

} catch (SearchException se) {

return makeError(se.getMessage(), 'INVALID_SEARCH');

}

return JSON.serialize(result);

}

Force.com-JavaScript-REST-Toolkit/RemoteTKController.cls at master · singharjun/Force.com-JavaScript-REST-Toolkit · GitHub

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