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Tristan B. Velloza Kildaire 5 months ago
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.gitignore vendored
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.dub
docs.json
__dummy.html
docs/
/libpb
libpb.so
libpb.dylib
libpb.dll
libpb.a
libpb.lib
libpb-test-*
*.exe
*.pdb
*.o
*.obj
*.lst

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LICENSE
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GNU LESSER GENERAL PUBLIC LICENSE
Version 3, 29 June 2007
Copyright (C) 2007 Free Software Foundation, Inc. <https://fsf.org/>
Everyone is permitted to copy and distribute verbatim copies
of this license document, but changing it is not allowed.
This version of the GNU Lesser General Public License incorporates
the terms and conditions of version 3 of the GNU General Public
License, supplemented by the additional permissions listed below.
0. Additional Definitions.
As used herein, "this License" refers to version 3 of the GNU Lesser
General Public License, and the "GNU GPL" refers to version 3 of the GNU
General Public License.
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other than an Application or a Combined Work as defined below.
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and utility programs needed for reproducing the Combined Work from the
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b) under the GNU GPL, with none of the additional permissions of
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3. Object Code Incorporating Material from Library Header Files.
The object code form of an Application may incorporate material from
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README.md
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libpb
=====
#### _PocketBase wrapper with serializer/deserializer support_
----
## Example usage
TODO
## License
See [LICENSE](LICENSE)

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dub.json
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{
"authors": [
"Tristan B. Velloza Kildaire"
],
"copyright": "Copyright © 2022, Tristan B. Velloza Kildaire",
"description": "PocketBase wrapper with serializer/deserializer support",
"license": "LGPL v3.0",
"name": "libpb"
}

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source/app.d
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import std.json;
import std.stdio;
import std.net.curl;
import std.conv : to;
public final class PBException : Exception
{
public enum ErrorType
{
CURL_NETWORK_ERROR,
JSON_PARSE_ERROR
}
private ErrorType errType;
this(ErrorType errType, string msg)
{
this.errType = errType;
super("PBException("~to!(string)(errType)~"): "~msg);
}
}
public class PocketBase
{
private string pocketBaseURL;
this(string pocketBaseURL = "http://127.0.0.1:8090/api/")
{
this.pocketBaseURL = pocketBaseURL;
}
public JSONValue listRecords(string table, ulong page = 1, ulong perPage = 30)
{
// Compute the query string
string queryStr = "page="~to!(string)(page)~"&perPage="~to!(string)(perPage);
try
{
string responseData = cast(string)get(pocketBaseURL~"collections/"~table~"/records?"~queryStr);
JSONValue responseJSON = parseJSON(responseData);
return responseJSON;
}
catch(CurlException e)
{
throw new PBException(PBException.ErrorType.CURL_NETWORK_ERROR, e.msg);
}
catch(JSONException e)
{
throw new PBException(PBException.ErrorType.JSON_PARSE_ERROR, e.msg);
}
}
public JSONValue createRecord(string, RecordType)(string table, RecordType item)
{
HTTP httpSettings = HTTP();
httpSettings.addRequestHeader("Content-Type", "application/json");
// Serialize the record instance
JSONValue serialized = serializeRecord(item);
try
{
string responseData = cast(string)post(pocketBaseURL~"collections/"~table~"/records", serialized.toString(), httpSettings);
JSONValue responseJSON = parseJSON(responseData);
return responseJSON;
}
catch(CurlException e)
{
throw new PBException(PBException.ErrorType.CURL_NETWORK_ERROR, e.msg);
}
catch(JSONException e)
{
throw new PBException(PBException.ErrorType.JSON_PARSE_ERROR, e.msg);
}
}
public JSONValue updateRecord(string, RecordType)(string table, RecordType item)
{
HTTP httpSettings = HTTP();
httpSettings.addRequestHeader("Content-Type", "application/json");
// Serialize the record instance
JSONValue serialized = serializeRecord(item);
try
{
string responseData = cast(string)patch(pocketBaseURL~"collections/"~table~"/records/"~item.id, serialized.toString(), httpSettings);
JSONValue responseJSON = parseJSON(responseData);
return responseJSON;
}
catch(CurlException e)
{
throw new PBException(PBException.ErrorType.CURL_NETWORK_ERROR, e.msg);
}
catch(JSONException e)
{
throw new PBException(PBException.ErrorType.JSON_PARSE_ERROR, e.msg);
}
}
public static JSONValue serializeRecord(RecordType)(RecordType record)
{
import std.traits;
import std.meta : AliasSeq;
// Final JSON to submit
JSONValue builtJSON;
// Alias as to only expand later when used in compile-time
alias structTypes = FieldTypeTuple!(RecordType);
alias structNames = FieldNameTuple!(RecordType);
alias structValues = record.tupleof;
static foreach(cnt; 0..structTypes.length)
{
pragma(msg, structTypes[cnt]);
pragma(msg, structNames[cnt]);
// pragma(msg, structValues[cnt]);
builtJSON[structNames[cnt]] = structValues[cnt];
}
writeln(builtJSON.toPrettyString());
return builtJSON;
}
public static fromJSON(RecordType)(JSONValue jsonIn)
{
RecordType record;
import std.traits;
import std.meta : AliasSeq;
// Alias as to only expand later when used in compile-time
alias structTypes = FieldTypeTuple!(RecordType);
alias structNames = FieldNameTuple!(RecordType);
alias structValues = record.tupleof;
static foreach(cnt; 0..structTypes.length)
{
pragma(msg, structTypes[cnt]);
pragma(msg, structNames[cnt]);
// pragma(msg, structValues[cnt]);
//TODO: Add all integral types
static if(__traits(isSame, mixin(structTypes[cnt]), int))
{
mixin("record."~structNames[cnt]) = cast(int)jsonIn[structNames[cnt]].integer();
}
static if(__traits(isSame, mixin(structTypes[cnt]), uint))
{
mixin("record."~structNames[cnt]) = cast(uint)jsonIn[structNames[cnt]].integer();
}
static if(__traits(isSame, mixin(structTypes[cnt]), ulong))
{
mixin("record."~structNames[cnt]) = cast(ulong)jsonIn[structNames[cnt]].integer();
}
static if(__traits(isSame, mixin(structTypes[cnt]), long))
{
mixin("record."~structNames[cnt]) = cast(long)jsonIn[structNames[cnt]].integer();
}
static if(__traits(isSame, mixin(structTypes[cnt]), string))
{
mixin("record."~structNames[cnt]) = jsonIn[structNames[cnt]].str();
pragma(msg,"record."~structNames[cnt]);
}
static if(__traits(isSame, mixin(structTypes[cnt]), JSONValue))
{
mixin("record."~structNames[cnt]) = jsonIn[structNames[cnt]];
pragma(msg,"record."~structNames[cnt]);
}
static if(__traits(isSame, mixin(structTypes[cnt]), bool))
{
mixin("record."~structNames[cnt]) = jsonIn[structNames[cnt]].boolean();
pragma(msg,"record."~structNames[cnt]);
}
//FIXME: Not sure how to get array support going, very new to meta programming
static if(__traits(isSame, mixin(structTypes[cnt]), mixin(structTypes[cnt])[]))
{
mixin("record."~structNames[cnt]) = jsonIn[structNames[cnt]].boolean();
pragma(msg,"record."~structNames[cnt]);
}
}
return record;
}
}
// Test serialization of a struct to JSON
unittest
{
import std.algorithm.searching : canFind;
import std.string : cmp;
struct Person
{
public string firstname, lastname;
public int age;
public string[] list;
public JSONValue extraJSON;
}
Person p1;
p1.firstname = "Tristan";
p1.lastname = "Kildaire";
p1.age = 23;
p1.list = ["1", "2", "3"];
p1.extraJSON = parseJSON(`{"item":1, "items":[1,2,3]}`);
JSONValue serialized = PocketBase.serializeRecord(p1);
string[] keys = serialized.object().keys();
assert(canFind(keys, "firstname") && cmp(serialized["firstname"].str(), "Tristan") == 0);
assert(canFind(keys, "lastname") && cmp(serialized["lastname"].str(), "Kildaire") == 0);
assert(canFind(keys, "age") && serialized["age"].integer() == 23);
}
unittest
{
import std.string : cmp;
struct Person
{
public string firstname, lastname;
public int age;
public bool isMale;
public JSONValue obj;
public int[] list;
}
JSONValue json = parseJSON(`{
"firstname" : "Tristan",
"lastname": "Kildaire",
"age": 23,
"obj" : {"bruh":1},
"isMale": true,
"list": [1,2,3]
}
`);
Person person = PocketBase.fromJSON!(Person)(json);
writeln(person);
assert(cmp(person.firstname, "Tristan") == 0);
assert(cmp(person.lastname, "Kildaire") == 0);
assert(person.age == 23);
assert(person.isMale == true);
//TODO: object test case, list test case
}
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