xtool/contrib/mORMot/CrossPlatform/templates/CrossPlatform.pas.mustache

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/// remote access to a mORMot server using SynCrossPlatform* units
{{#uri}}
// - retrieved from {{protocol}}://{{host}}/{{uri}}
// at {{time}} using "{{templateName}}" template
{{/uri}}
{{^uri}}
// - generated at {{time}}
{{/uri}}
unit {{fileName}};
{
WARNING:
This unit has been generated by a mORMot {{mORMotVersion}} server.
Any manual modification of this file may be lost after regeneration.
Synopse mORMot framework. Copyright (C) {{year}} Arnaud Bouchez
Synopse Informatique - http://synopse.info
This unit is released under a MPL/GPL/LGPL tri-license,
and therefore may be freely included in any application.
This unit would work on Delphi 6 and later, under all supported platforms
(including MacOSX, and NextGen iPhone/iPad), and the Free Pascal Compiler.
}
interface
uses
SynCrossPlatformJSON,
SynCrossPlatformSpecific,
SynCrossPlatformREST;
{{! recursive partials used to write records type definition}}
{{<writerec}}record
{{#fields}}
{{nestedIdentation}} {{propName}}: {{#typePascal}}{{typePascal}};{{/typePascal}}{{#nestedRecord}}{{>writerec}}{{nestedIdentation}} end;{{/nestedRecord}}{{#nestedSimpleArray}}array of {{typePascal}};{{/nestedSimpleArray}}{{#nestedRecordArray}}array of {{>writerec}}{{nestedIdentation}} end;{{/nestedRecordArray}}
{{/fields}}{{/writerec}}
{{#withEnumerates}}
type // define some enumeration types, used below
{{#enumerates}}
{{name}} = ({{#values}}{{.}}{{^-last}}, {{/-last}}{{/values}});
{{/enumerates}}
{{/withEnumerates}}
{{#withSets}}
type // define some set types, used below
{{#sets}}
{{name}} = set of({{#values}}{{.}}{{^-last}}, {{/-last}}{{/values}});
{{/sets}}
{{/withSets}}
{{#withRecords}}
type // define some record types, used as properties below
{{#records}}
{{name}} = {{>writerec}} end;
{{/records}}
{{/withRecords}}
{{#withArrays}}
type // define some dynamic array types, used as properties below
{{#arrays}}
{{name}} = array of {{typeSource}};
{{/arrays}}
{{/withArrays}}
{{<method}}{{methodName}}({{#args}}{{^dirResult}}{{dirName}} {{argName}}: {{typePascal}}{{commaArg}}{{/dirResult}}{{/args}}){{#args}}{{#dirResult}}: {{typePascal}}{{/dirResult}}{{/args}};{{/method}}
type
{{#orm}}
{{^isInMormotPas}}
/// map "{{tableName}}" table
{{className}} = class(TSQLRecord)
protected
{{#fields}}
f{{name}}: {{typePascal}};
{{/fields}}
{{#hasRecords}}
public
{{#fields}}
{{#isrecord}}
property {{name}}: {{typePascal}} read f{{name}} write f{{name}}{{#unique}} stored AS_UNIQUE{{/unique}};
{{/isrecord}}
{{/fields}}
{{/hasRecords}}
published
{{#fields}}
{{^isrecord}}
{{#isSQLRecord}} // defined as {{name}}: {{typeDelphi}} on the server
{{/isSQLRecord}}
property {{name}}: {{typePascal}}{{#width}} index {{width}}{{/width}} read f{{name}} write f{{name}}{{#unique}} stored AS_UNIQUE{{/unique}};
{{/isrecord}}
{{/fields}}
end;
{{/isInMormotPas}}
{{/orm}}
{{#soa.services}}
/// service implemented by TService{{interfaceURI}}
// - you can access this service as such:
// !var a{{interfaceURI}}: I{{interfaceURI}};
// !begin
// ! a{{interfaceURI}} := TService{{interfaceURI}}.Create(aClient);
// ! // now you can use a{{interfaceURI}} methods
// !...
I{{interfaceURI}} = interface(IServiceAbstract)
['{{GUID}}']
{{#methods}}
{{verb}} {{>method}}
{{/methods}}
end;
/// implements I{{interfaceURI}} {{#uri}}from {{protocol}}://{{host}}/{{root}}/{{uri}}{{/uri}}
// - this service will run in sic{{instanceCreationName}} mode
TService{{interfaceURI}} = class(TServiceClientAbstract{{#isClientDriven}}ClientDriven{{/isClientDriven}},I{{interfaceURI}})
public
constructor Create(aClient: TSQLRestClientURI); override;
{{#methods}}
{{verb}} {{>method}}
{{/methods}}
end;
{{/soa.services}}
const
/// the server port{{#uri}}, corresponding to {{protocol}}://{{host}}{{/uri}}
SERVER_PORT = {{port}};
/// the server model root name{{#uri}}, corresponding to {{protocol}}://{{host}}{{/uri}}
SERVER_ROOT = '{{root}}';
/// return the database Model corresponding to this server
function GetModel(const aRoot: string=SERVER_ROOT): TSQLModel;
/// create a TSQLRestClientHTTP instance and connect to the server
// - it will use by default port {{port}} over root '{{root}}'{{#host}}, corresponding
// to {{protocol}}://{{host}}/{{root}}{{/host}}
{{#authClass}}
// - secure connection will be established via {{.}}
// with the supplied credentials - on connection or authentication error,
// this function will raise a corresponding exception
{{/authClass}}
function GetClient(const aServerAddress{{#authClass}}, aUserName,aPassword{{/authClass}}: string;
aServerPort: integer=SERVER_PORT; const aServerRoot: string=SERVER_ROOT;
aHttps: boolean={{#https}}true{{/https}}{{^https}}false{{/https}}): TSQLRestClientHTTP;
{{#withHelpers}}
// publish some low-level helpers for variant conversion
// - used internally: you should not need those functions in your end-user code
{{#enumerates}}
function Variant2{{name}}(const _variant: variant): {{name}};
{{/enumerates}}
{{#records}}
function Variant2{{name}}(_variant: variant): {{name}};
function {{name}}2Variant(const _record: {{name}}): variant;
{{/records}}
{{#arrays}}
function Variant2{{name}}(const _variant: variant): {{name}};
function {{name}}2Variant(const _array: {{name}}): variant;
{{/arrays}}
{{/withHelpers}}
implementation
{$HINTS OFF} // for H2164 hints of unused variables
{{#withEnumerates}}
{ Some helpers for enumerates types }
{{#enumerates}}
function Variant2{{name}}(const _variant: variant): {{name}};
begin
result := {{name}}(VariantToEnum(_variant,[{{#values}}'{{.}}'{{^-last}},{{/-last}}{{/values}}]));
end;
{{/enumerates}}
{{/withEnumerates}}
{{#withRecords}}
{{<setrec}}{{#fields}}
{{#isSimple}} result.{{fullPropName}} := _variant.{{fullPropName}};
{{/isSimple}}{{#nestedRecord}}{{>setrec}}{{/nestedRecord}}{{#fromVariant}} result.{{fullPropName}} := {{fromVariant}}(_variant.{{fullPropName}});
{{/fromVariant}}{{#nestedSimpleArray}} _arr := JSONVariantDataSafe(_variant.{{fullPropName}},jvArray);
SetLength(result.{{fullPropName}},_arr^.Count);
for _a := 0 to high(result.{{fullPropName}}) do
result.{{fullPropName}}[_a] := {{#fromVariant}}{{fromVariant}}({{/fromVariant}}_arr^.Values[_a]{{#fromVariant}}){{/fromVariant}};
{{/nestedSimpleArray}}{{#nestedRecordArray}} _arr := JSONVariantDataSafe(_variant.{{fullPropName}},jvArray);
SetLength(result.{{fullPropName}},_arr^.Count);
for _a := 0 to high(result.{{fullPropName}}) do
with result.{{fullPropName}}[_a] do begin
{{#fields}}
{{propName}} := {{#fromVariant}}{{fromVariant}}({{/fromVariant}}_arr^.Values[_a].{{propName}}{{#fromVariant}}){{/fromVariant}};
{{/fields}}
end;
{{/nestedRecordArray}}{{/fields}}{{/setrec}}
{{<getrec}}{{#fields}}
{{#isSimple}} res.SetPath('{{fullPropName}}',_record.{{fullPropName}});
{{/isSimple}}{{#nestedRecord}}{{>getrec}}{{/nestedRecord}}{{#toVariant}} res.SetPath('{{fullPropName}}',{{toVariant}}(_record.{{fullPropName}}));
{{/toVariant}}{{#nestedSimpleArray}} with res.EnsureData('{{fullPropName}}')^ do
for i := 0 to high(_record.{{fullPropName}}) do
AddValue({{#toVariant}}{{toVariant}}({{/toVariant}}_record.{{fullPropName}}[i]{{#toVariant}}){{/toVariant}});
{{/nestedSimpleArray}}{{#nestedRecordArray}} with res.EnsureData('{{fullPropName}}')^ do
for i := 0 to high(_record.{{fullPropName}}) do
with AddItem^, _record.{{fullPropName}}[i] do begin
{{#fields}}
AddNameValue('{{propName}}',{{#toVariant}}{{toVariant}}({{/toVariant}}{{propName}}{{#toVariant}}){{/toVariant}});
{{/fields}}
end;
{{/nestedRecordArray}}{{/fields}}{{/getrec}}{ Some helpers for record types }
{{#records}}
function Variant2{{name}}(_variant: variant): {{name}};
var _a: integer;
_arr: PJSONVariantData;
begin
{{>setrec}}
end;
function {{name}}2Variant(const _record: {{name}}): variant;
var i: integer;
res: TJSONVariantData;
begin
res.Init;
{{>getrec}}
result := variant(res);
end;
{{/records}}
{{/withRecords}}
{{#withArrays}}
{ Some helpers for dynamic array types }
{{#arrays}}
function Variant2{{name}}(const _variant: variant): {{name}};
var i: integer;
arr: PJSONVariantData;
begin
arr := JSONVariantDataSafe(_variant,jvArray);
SetLength(result,arr^.Count);
for i := 0 to arr^.Count-1 do
result[i] := {{#fromVariant}}{{fromVariant}}{{/fromVariant}}(arr^.Values[i]);
end;
function {{name}}2Variant(const _array: {{name}}): variant;
var i: integer;
res: TJSONVariantData;
begin
res.Init;
for i := 0 to high(_array) do
res.AddValue({{#toVariant}}{{toVariant}}{{/toVariant}}(_array[i]));
result := variant(res);
end;
{{/arrays}}
{{/withArrays}}
{$HINTS ON} // for H2164 hints of unused variables
function GetModel(const aRoot: string): TSQLModel;
begin
result := TSQLModel.Create([{{#orm}}{{className}}{{comma}}{{/orm}}],aRoot);
end;
function GetClient(const aServerAddress{{#authClass}}, aUserName,aPassword{{/authClass}}: string;
aServerPort: integer; const aServerRoot: string; aHttps: boolean): TSQLRestClientHTTP;
begin
result := TSQLRestClientHTTP.Create(aServerAddress,aServerPort,
GetModel(aServerRoot),true,aHttps); // aOwnModel=true
try
if (not result.Connect) or (result.ServerTimeStamp=0) then
raise ERestException.CreateFmt('Impossible to connect to %s:%d server',
[aServerAddress,aServerPort]);
{{#authClass}}
if not result.SetUser({{.}},aUserName,aPassword) then
raise ERestException.CreateFmt('%s:%d server rejected "%s" credentials',
[aServerAddress,aServerPort,aUserName]);
{{/authClass}}
except
result.Free;
raise;
end;
end;
{{#soa.services}}
{ TService{{interfaceURI}} }
constructor TService{{interfaceURI}}.Create(aClient: TSQLRestClientURI);
begin
fServiceName := '{{interfaceURI}}';
fServiceURI := '{{uri}}';
fInstanceImplementation := sic{{instanceCreationName}};
fContractExpected := '{{contractExpected}}';
inherited Create(aClient);
end;
{{#methods}}
{{verb}} TService{{interfaceURI}}.{{>method}}
var res: TVariantDynArray;
begin
fClient.CallRemoteService(self,'{{methodName}}',{{ArgsOutputCount}}, // raise EServiceException on error
[{{#args}}{{#dirInput}}{{#toVariant}}{{toVariant}}({{argName}}){{/toVariant}}{{^toVariant}}{{argName}}{{/toVariant}}{{commaInSingle}}{{/dirInput}}{{/args}}],res{{#resultIsServiceCustomAnswer}},true{{/resultIsServiceCustomAnswer}});
{{#args}}{{#dirOutput}}{{#isObject}} {{argName}}.Free; // avoid memory leak
{{/isObject}} {{argName}} := {{#fromVariant}}{{fromVariant}}({{/fromVariant}}res[{{indexOutResult}}{{#fromVariant}}){{/fromVariant}};
{{/dirOutput}}{{/args}}end;
{{/methods}}
{{/soa.services}}
end.