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Django API for html datatables
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| class JSONViewMixin(object): | |
| def json_response(self, data, status=200): | |
| return JSONResponse(self.request, data, status=status) | |
| class DataTableView(JSONViewMixin, View): | |
| def get(self, request, *args, **kwargs): | |
| params = request.GET | |
| sort_col_num = params.get('iSortCol_0', 0) | |
| sort_col_name = params.get('mDataProp_{0}'.format(sort_col_num), None) | |
| search_text = params.get('sSearch', '').lower() | |
| sort_dir = params.get('sSortDir_0', 'asc') | |
| start_num = int(params.get('iDisplayStart', 0)) | |
| num = int(params.get('iDisplayLength', 25)) | |
| obj_list = Accountants.objects.all() | |
| sort_dir_prefix = (sort_dir == 'desc' and '-' or '') | |
| if sort_col_name: | |
| obj_list = obj_list.order_by('{0}{1}'.format(sort_dir_prefix, sort_col_name)) | |
| filtered_obj_list = obj_list | |
| if search_text: | |
| filtered_obj_list = self.data = Accountants.objects.filter( | |
| Q(first_name__icontains=search_text) | Q(last_name__icontains=search_text) | | |
| Q(acc_title__icontains=search_text) | Q(city__icontains=search_text) | |
| ) | |
| city_id = params.get('city_id', None) | |
| if city_id: | |
| filtered_obj_list = filtered_obj_list.filter(city=city_id) | |
| data_list = [] | |
| for object in filtered_obj_list: | |
| obj = { | |
| 'first_name': object.first_name, | |
| 'last_name': object.last_name, | |
| 'address': object.address, | |
| 'city': object.city, | |
| } | |
| data_list.append(obj) | |
| d = { | |
| "iTotalRecords": obj_list.count(), | |
| "iTotalDisplayRecords": filtered_obj_list.count(), | |
| "sEcho": params.get('sEcho', 1), | |
| "data": [obj for obj in data_list[start_num:(start_num + num)]] | |
| } | |
| return self.json_response(d) |
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| <!DOCTYPE html> | |
| <html> | |
| <head> | |
| <link rel="stylesheet" type="text/css" href="https://cdn.datatables.net/1.10.20/css/jquery.dataTables.min.css"> | |
| </head> | |
| <body> | |
| <br/> | |
| <br/> | |
| <select id="city_id"> | |
| <option value=""></option> | |
| <option value="Lahore">Lahore</option> | |
| <option value="Islamabad">Islamabad</option> | |
| <option value="Karachi">Karachi</option> | |
| </select> | |
| <br/> | |
| <br/> | |
| <br/> | |
| <table id="example"> | |
| <thead> | |
| <tr> | |
| <th>First name</th> | |
| <th>Last name</th> | |
| <th>Address</th> | |
| <th>City</th> | |
| </tr> | |
| </thead> | |
| <tbody> | |
| </tbody> | |
| </table> | |
| <script src="https://code.jquery.com/jquery-3.3.1.js"></script> | |
| <script src="https://cdn.datatables.net/1.10.20/js/jquery.dataTables.min.js"></script> | |
| <script> | |
| $(document).ready(function () { | |
| var table = $('#example').DataTable({ | |
| "pageLength": 10, | |
| "aaSorting": [[1, "asc"]], | |
| "sAjaxSource": "http://127.0.0.1:8000/api/asd/dt/", | |
| "aoColumns": [ | |
| {"data": "first_name"}, | |
| {"data": "last_name"}, | |
| {"data": "address"}, | |
| {"data": "city"} | |
| ], | |
| "bServerSide": true, | |
| "fnServerParams": function (aoData) { | |
| aoData.push({name: "city_id", value: $("#city_id option:selected").val()}); | |
| } | |
| }); | |
| $('#city_id').change(function () { | |
| table.draw(); | |
| }); | |
| }); | |
| </script> | |
| </body> | |
| </html> |
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