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cloudsolutions-atoms/lib/controllers/providers/api/regular_visits_provider.dart

174 lines
4.9 KiB
Dart

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import 'dart:convert';
import 'package:flutter/cupertino.dart';
import 'package:http/http.dart';
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import '../../../models/pantry/pentry.dart';
import '../../../models/user.dart';
import '../../../models/visits/visit.dart';
import '../../../models/visits/visits_group.dart';
import '../../../models/visits/visits_search.dart';
import '../../api_routes/urls.dart';
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class RegularVisitsProvider extends ChangeNotifier {
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// number of items call in each request
final pageItemNumber = 50;
//reset provider data
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void reset() {
visits.clear();
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nextPage = true;
stateCode = null;
}
// state code of current request to defied error message
// like 400 customer request failed
// 500 service not available
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int? stateCode;
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// true if there is next page in product list and false if not
bool nextPage = true;
// list of user requests
List<Visit> visits = [];
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// when requests in-process _loading = true
// done _loading = true
// failed _loading = false
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bool? isLoading;
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VisitsSearch? visitsSearch = VisitsSearch();
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/// return -2 if request in progress
/// return -1 if error happen when sending request
/// return state code if request complete may be 200, 404 or 403
/// for more details check http state manager
/// lib\controllers\http_status_manger\http_status_manger.dart
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Future<int> getVisits({
required String? host,
required User? user,
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// VisitsSearch visitsSearch,
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}) async {
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if (isLoading == true) {
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return -2;
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}
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isLoading = true;
Response response;
//userId = 397.toString(); // testing id to view data
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try {
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response = await get(
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Uri.parse(
"$host${URLs.getRegularVisits}?uid=${user?.id}&token=${user?.token}&page=${(visits.length) ~/ pageItemNumber}${visitsSearch?.toSearchString()}",
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),
headers: {"Content-Type": "application/json; charset=utf-8"},
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);
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} catch (error) {
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isLoading = false;
stateCode = -1;
notifyListeners();
return -1;
}
stateCode = response.statusCode;
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if (response.statusCode >= 200 && response.statusCode < 300) {
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// client's request was successfully received
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try {
List requestsListJson = json.decode(utf8.decode(response.bodyBytes).replaceAll("\\", ""));
List<Visit> visitsList = requestsListJson.map((request) => Visit.fromJson(request)).toList();
visits.addAll(visitsList);
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if (visits.length == pageItemNumber) {
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nextPage = true;
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} else {
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nextPage = false;
}
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} catch (error) {
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isLoading = false;
stateCode = -1;
notifyListeners();
return -1;
}
}
isLoading = false;
notifyListeners();
return response.statusCode;
}
/// return -2 if request in progress
/// return -1 if error happen when sending request
/// return state code if request complete may be 200, 404 or 403
/// for more details check http state manager
/// lib\controllers\http_status_manger\http_status_manger.dart
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Future<int> updateGroupOfVisits({
required String host,
required User user,
required VisitsGroup group,
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}) async {
Response response;
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Map<String, String> body = group.toJson();
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body["token"] = user.token ?? "";
body["uid"] = user.id ?? "";
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//userId = 397.toString(); // testing id to view data
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try {
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response = await post(
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Uri.parse(host + URLs.updateRegularVisits),
body: body,
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);
stateCode = response.statusCode;
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if (response.statusCode >= 200 && response.statusCode < 300) {
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// client's request was successfully received
reset();
notifyListeners();
}
return response.statusCode;
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} catch (error) {
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isLoading = false;
stateCode = -1;
notifyListeners();
return -1;
}
}
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Future<Pentry?> getPently({
required String host,
required User user,
required String id,
}) async {
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Response response;
response = await get(
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Uri.parse("$host${URLs.getPentry}/$id"),
headers: {"Content-Type": "application/json; charset=utf-8"},
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);
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Pentry? pantry;
if (response.statusCode >= 200 && response.statusCode < 300) {
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pantry = Pentry.fromMap(json.decode(utf8.decode(response.bodyBytes)));
}
return pantry;
}
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Future<int> updatePentry({
required String? host,
required User? user,
required Pentry? pentry,
required Visit? visit,
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}) async {
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try {
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Response response;
Map<String, String>? body = pentry?.toMap();
body?["uid"] = user?.id ?? "";
body?["token"] = user?.token ?? "";
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response = await post(
Uri.parse("$host${URLs.updatePentry}/${visit?.id}"),
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body: body,
);
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if (response.statusCode >= 200 && response.statusCode < 300) {
visit?.status = pentry?.ppmVisitStatus;
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notifyListeners();
}
return response.statusCode;
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} catch (error) {
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return -1;
}
}
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}