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public execute(state: any): void {
this.getData(state).subscribe(x => super.next(x));
}
public getData(
state: DataStateChangeEventArgs
): Observable<DataStateChangeEventArgs> {
this.gridState = state;
let sortQuery: String = "";
. . . . .
if ((state.sorted || []).length) { // perform sorting
sortQuery =
`&$orderby=` +
state.sorted
.map((obj: Sorts) => {
return obj.direction === "descending"
? `${obj.name} desc`
: obj.name;
})
.reverse()
.join(",");
}
return this.http
.get(
`${this.BASE_URL}?${pageQuery}${sortQuery}${filterQuery}&$count=true`
)
.pipe(map((response: any) => response.json()))
.pipe(
map((response: any) => {
return state.dataSource === undefined
? <DataResult>{
result: this.getResult(response),
count: parseInt(response["@odata.count"], 10)
}
: response["value"];
})
)
.pipe(map((data: any) => data));
}
public getResult(response) {
// group the column based on the condition
if (this.gridState.group != undefined &&(this.gridState.action == undefined ||this.gridState.action.rows != undefined)) {
var json = response["value"];
this.gridState.group.forEach(element => {
// 'DataUtil.group' groups the input data based on the field name
json = DataUtil.group(json, element); // intila grouping
});
return json;
} else {
return response["value"];
}
}
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