Error message indicates that there is an issue with an Angular Grid within an Angular widget: [$injector:unpr] Unknown provider

In this particular code snippet, I've developed an angular widget that utilizes an angular grid for data transmission. However, I seem to be encountering the following error message:

Error: [$injector:unpr] Unknown provider: alphadataProvider <- alphadata

Here is the widget's code:

'use strict';

angular.module('alphabeta.table.widgets', ['adf.provider', 'btford.markdown', 'ngGrid'])
  .value('githubApiUrl', 'https://api.github.com/repos/')
  .config(function(dashboardProvider){
dashboardProvider
  .widget('reservationTotals', {
    title: 'Reservation Totals',
    description: 'Reservation Totals widget',
    controller: 'reservationTotalsCtrl',
    templateUrl: 'scripts/widgets/alphabeta/alphabeta.html',
    resolve: {
        alphadata: function(alphatradingService){
            return alphatradingService.get();
        }
    },
    edit: {
      templateUrl: 'scripts/widgets/alphabeta/edit.html',
      reload: false
    }
  });
 })

The service section:

 .service('alphatradingService', function($q, $http, githubApiUrl){
return {
  get: function(){
    var deferred = $q.defer();
    $http.get('9_Response.json')
      .success(function(data){
        deferred.resolve(data);
      })
      .error(function(){
        deferred.reject();
      });
    return deferred.promise;
  }
};
})

The controller portion:

.controller('reservationTotalsCtrl', function($scope, alphadata){

var tabledata = [];

var i, n;
var ycount=0, yexist=0;
var numf;
for(i=0;i<alphadata.length;i++){
    yexist=0;
    for(n=0;n<ycount;n++){
        if (alphadata[i].stYear == tabledata[n].Year && alphadata[i].market == tabledata[n].Market) {
            tabledata[n].Sales += alphadata[i].totSale;
            tabledata[n].Sales = parseFloat(Math.round(tabledata[n].Sales * 100) / 100);
            yexist++;
            break;
        } 
    }
    if (!yexist) {
        numf = alphadata[i].totSale;
        tabledata.push({
                Market: alphadata[i].market,
                Year: alphadata[i].stYear,
                Sales: parseFloat(Math.round(numf * 100) / 100),
                CustomerName: alphadata[i].custName
        });
        ycount++;   
    }           
}

$scope.data = tabledata;

$scope.gridOptions = {
    data: 'data',
    enablePinning: true,
    columnDefs: [{ field: "Market", width: 60, pinned: true },
                { field: "Year", width: 60 },
                { field: "Sales", width: 60 },
                { field: "CustomerName", width: 60 }]
};

console.log($scope.data);

});

The content within alphabeta.html:

<div>
      <div ng-controller="reservationTotalsCtrl">
        <div class="gridStyle" ng-grid="gridOptions"></div>
    </div>
 </div>

I would greatly appreciate any assistance with resolving this issue.

Answer №1

Consider structuring your determination in the following way:

resolve: {
    'data': ['service', function(service){
        return service.fetchData();
    }]
}

Answer №2

Apologies for the delay in responding to your question. While it may be late, my answer could still benefit others facing a similar issue. The error message you mentioned,

Error: [$injector:unpr] Unknown provider:

indicates that there is an issue with resolving dependencies correctly in your injector, particularly when dealing with a service as outlined in AngularJS documentation.

You might have attempted the following solution:

resolve: {
    alphadata: function(alphatradingService){
        return alphatradingService.get;
    }

In your service file:

$scope.get = get; // Assuming 'get' is the function defined within your services

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