myems /
myems-api
| @@ 11-325 (lines=315) @@ | ||
| 8 | import excelexporters.virtualmeterenergy |
|
| 9 | ||
| 10 | ||
| 11 | class Reporting: |
|
| 12 | @staticmethod |
|
| 13 | def __init__(): |
|
| 14 | pass |
|
| 15 | ||
| 16 | @staticmethod |
|
| 17 | def on_options(req, resp): |
|
| 18 | resp.status = falcon.HTTP_200 |
|
| 19 | ||
| 20 | #################################################################################################################### |
|
| 21 | # PROCEDURES |
|
| 22 | # Step 1: valid parameters |
|
| 23 | # Step 2: query the virtual meter and energy category |
|
| 24 | # Step 3: query base period energy consumption |
|
| 25 | # Step 4: query reporting period energy consumption |
|
| 26 | # Step 5: query tariff data |
|
| 27 | # Step 6: construct the report |
|
| 28 | #################################################################################################################### |
|
| 29 | @staticmethod |
|
| 30 | def on_get(req, resp): |
|
| 31 | print(req.params) |
|
| 32 | virtual_meter_id = req.params.get('virtualmeterid') |
|
| 33 | period_type = req.params.get('periodtype') |
|
| 34 | base_period_start_datetime_local = req.params.get('baseperiodstartdatetime') |
|
| 35 | base_period_end_datetime_local = req.params.get('baseperiodenddatetime') |
|
| 36 | reporting_period_start_datetime_local = req.params.get('reportingperiodstartdatetime') |
|
| 37 | reporting_period_end_datetime_local = req.params.get('reportingperiodenddatetime') |
|
| 38 | ||
| 39 | ################################################################################################################ |
|
| 40 | # Step 1: valid parameters |
|
| 41 | ################################################################################################################ |
|
| 42 | if virtual_meter_id is None: |
|
| 43 | raise falcon.HTTPError(falcon.HTTP_400, |
|
| 44 | title='API.BAD_REQUEST', |
|
| 45 | description='API.INVALID_VIRTUAL_METER_ID') |
|
| 46 | else: |
|
| 47 | virtual_meter_id = str.strip(virtual_meter_id) |
|
| 48 | if not virtual_meter_id.isdigit() or int(virtual_meter_id) <= 0: |
|
| 49 | raise falcon.HTTPError(falcon.HTTP_400, |
|
| 50 | title='API.BAD_REQUEST', |
|
| 51 | description='API.INVALID_VIRTUAL_METER_ID') |
|
| 52 | ||
| 53 | if period_type is None: |
|
| 54 | raise falcon.HTTPError(falcon.HTTP_400, title='API.BAD_REQUEST', description='API.INVALID_PERIOD_TYPE') |
|
| 55 | else: |
|
| 56 | period_type = str.strip(period_type) |
|
| 57 | if period_type not in ['hourly', 'daily', 'monthly', 'yearly']: |
|
| 58 | raise falcon.HTTPError(falcon.HTTP_400, title='API.BAD_REQUEST', description='API.INVALID_PERIOD_TYPE') |
|
| 59 | ||
| 60 | timezone_offset = int(config.utc_offset[1:3]) * 60 + int(config.utc_offset[4:6]) |
|
| 61 | if config.utc_offset[0] == '-': |
|
| 62 | timezone_offset = -timezone_offset |
|
| 63 | ||
| 64 | base_start_datetime_utc = None |
|
| 65 | if base_period_start_datetime_local is not None and len(str.strip(base_period_start_datetime_local)) > 0: |
|
| 66 | base_period_start_datetime_local = str.strip(base_period_start_datetime_local) |
|
| 67 | try: |
|
| 68 | base_start_datetime_utc = datetime.strptime(base_period_start_datetime_local, '%Y-%m-%dT%H:%M:%S') |
|
| 69 | except ValueError: |
|
| 70 | raise falcon.HTTPError(falcon.HTTP_400, title='API.BAD_REQUEST', |
|
| 71 | description="API.INVALID_BASE_PERIOD_START_DATETIME") |
|
| 72 | base_start_datetime_utc = base_start_datetime_utc.replace(tzinfo=timezone.utc) - \ |
|
| 73 | timedelta(minutes=timezone_offset) |
|
| 74 | ||
| 75 | base_end_datetime_utc = None |
|
| 76 | if base_period_end_datetime_local is not None and len(str.strip(base_period_end_datetime_local)) > 0: |
|
| 77 | base_period_end_datetime_local = str.strip(base_period_end_datetime_local) |
|
| 78 | try: |
|
| 79 | base_end_datetime_utc = datetime.strptime(base_period_end_datetime_local, '%Y-%m-%dT%H:%M:%S') |
|
| 80 | except ValueError: |
|
| 81 | raise falcon.HTTPError(falcon.HTTP_400, title='API.BAD_REQUEST', |
|
| 82 | description="API.INVALID_BASE_PERIOD_END_DATETIME") |
|
| 83 | base_end_datetime_utc = base_end_datetime_utc.replace(tzinfo=timezone.utc) - \ |
|
| 84 | timedelta(minutes=timezone_offset) |
|
| 85 | ||
| 86 | if base_start_datetime_utc is not None and base_end_datetime_utc is not None and \ |
|
| 87 | base_start_datetime_utc >= base_end_datetime_utc: |
|
| 88 | raise falcon.HTTPError(falcon.HTTP_400, title='API.BAD_REQUEST', |
|
| 89 | description='API.INVALID_BASE_PERIOD_END_DATETIME') |
|
| 90 | ||
| 91 | if reporting_period_start_datetime_local is None: |
|
| 92 | raise falcon.HTTPError(falcon.HTTP_400, title='API.BAD_REQUEST', |
|
| 93 | description="API.INVALID_REPORTING_PERIOD_START_DATETIME") |
|
| 94 | else: |
|
| 95 | reporting_period_start_datetime_local = str.strip(reporting_period_start_datetime_local) |
|
| 96 | try: |
|
| 97 | reporting_start_datetime_utc = datetime.strptime(reporting_period_start_datetime_local, |
|
| 98 | '%Y-%m-%dT%H:%M:%S') |
|
| 99 | except ValueError: |
|
| 100 | raise falcon.HTTPError(falcon.HTTP_400, title='API.BAD_REQUEST', |
|
| 101 | description="API.INVALID_REPORTING_PERIOD_START_DATETIME") |
|
| 102 | reporting_start_datetime_utc = reporting_start_datetime_utc.replace(tzinfo=timezone.utc) - \ |
|
| 103 | timedelta(minutes=timezone_offset) |
|
| 104 | ||
| 105 | if reporting_period_end_datetime_local is None: |
|
| 106 | raise falcon.HTTPError(falcon.HTTP_400, title='API.BAD_REQUEST', |
|
| 107 | description="API.INVALID_REPORTING_PERIOD_END_DATETIME") |
|
| 108 | else: |
|
| 109 | reporting_period_end_datetime_local = str.strip(reporting_period_end_datetime_local) |
|
| 110 | try: |
|
| 111 | reporting_end_datetime_utc = datetime.strptime(reporting_period_end_datetime_local, |
|
| 112 | '%Y-%m-%dT%H:%M:%S') |
|
| 113 | except ValueError: |
|
| 114 | raise falcon.HTTPError(falcon.HTTP_400, title='API.BAD_REQUEST', |
|
| 115 | description="API.INVALID_REPORTING_PERIOD_END_DATETIME") |
|
| 116 | reporting_end_datetime_utc = reporting_end_datetime_utc.replace(tzinfo=timezone.utc) - \ |
|
| 117 | timedelta(minutes=timezone_offset) |
|
| 118 | ||
| 119 | if reporting_start_datetime_utc >= reporting_end_datetime_utc: |
|
| 120 | raise falcon.HTTPError(falcon.HTTP_400, title='API.BAD_REQUEST', |
|
| 121 | description='API.INVALID_REPORTING_PERIOD_END_DATETIME') |
|
| 122 | ||
| 123 | ################################################################################################################ |
|
| 124 | # Step 2: query the virtual meter and energy category |
|
| 125 | ################################################################################################################ |
|
| 126 | cnx_system = mysql.connector.connect(**config.myems_system_db) |
|
| 127 | cursor_system = cnx_system.cursor() |
|
| 128 | ||
| 129 | cnx_energy = mysql.connector.connect(**config.myems_energy_db) |
|
| 130 | cursor_energy = cnx_energy.cursor() |
|
| 131 | ||
| 132 | cursor_system.execute(" SELECT m.id, m.name, m.cost_center_id, m.energy_category_id, " |
|
| 133 | " ec.name, ec.unit_of_measure, ec.kgce, ec.kgco2e " |
|
| 134 | " FROM tbl_virtual_meters m, tbl_energy_categories ec " |
|
| 135 | " WHERE m.id = %s AND m.energy_category_id = ec.id ", (virtual_meter_id,)) |
|
| 136 | row_virtual_meter = cursor_system.fetchone() |
|
| 137 | if row_virtual_meter is None: |
|
| 138 | if cursor_system: |
|
| 139 | cursor_system.close() |
|
| 140 | if cnx_system: |
|
| 141 | cnx_system.disconnect() |
|
| 142 | ||
| 143 | if cursor_energy: |
|
| 144 | cursor_energy.close() |
|
| 145 | if cnx_energy: |
|
| 146 | cnx_energy.disconnect() |
|
| 147 | raise falcon.HTTPError(falcon.HTTP_404, title='API.NOT_FOUND', description='API.VIRTUAL_METER_NOT_FOUND') |
|
| 148 | ||
| 149 | virtual_meter = dict() |
|
| 150 | virtual_meter['id'] = row_virtual_meter[0] |
|
| 151 | virtual_meter['name'] = row_virtual_meter[1] |
|
| 152 | virtual_meter['cost_center_id'] = row_virtual_meter[2] |
|
| 153 | virtual_meter['energy_category_id'] = row_virtual_meter[3] |
|
| 154 | virtual_meter['energy_category_name'] = row_virtual_meter[4] |
|
| 155 | virtual_meter['unit_of_measure'] = row_virtual_meter[5] |
|
| 156 | virtual_meter['kgce'] = row_virtual_meter[6] |
|
| 157 | virtual_meter['kgco2e'] = row_virtual_meter[7] |
|
| 158 | ||
| 159 | ################################################################################################################ |
|
| 160 | # Step 3: query base period energy consumption |
|
| 161 | ################################################################################################################ |
|
| 162 | query = (" SELECT start_datetime_utc, actual_value " |
|
| 163 | " FROM tbl_virtual_meter_hourly " |
|
| 164 | " WHERE virtual_meter_id = %s " |
|
| 165 | " AND start_datetime_utc >= %s " |
|
| 166 | " AND start_datetime_utc < %s " |
|
| 167 | " ORDER BY start_datetime_utc ") |
|
| 168 | cursor_energy.execute(query, (virtual_meter['id'], base_start_datetime_utc, base_end_datetime_utc)) |
|
| 169 | rows_virtual_meter_hourly = cursor_energy.fetchall() |
|
| 170 | ||
| 171 | rows_virtual_meter_periodically = \ |
|
| 172 | utilities.aggregate_hourly_data_by_period(rows_virtual_meter_hourly, |
|
| 173 | base_start_datetime_utc, |
|
| 174 | base_end_datetime_utc, |
|
| 175 | period_type) |
|
| 176 | base = dict() |
|
| 177 | base['timestamps'] = list() |
|
| 178 | base['values'] = list() |
|
| 179 | base['total_in_category'] = Decimal(0.0) |
|
| 180 | base['total_in_kgce'] = Decimal(0.0) |
|
| 181 | base['total_in_kgco2e'] = Decimal(0.0) |
|
| 182 | ||
| 183 | for row_virtual_meter_periodically in rows_virtual_meter_periodically: |
|
| 184 | current_datetime_local = row_virtual_meter_periodically[0].replace(tzinfo=timezone.utc) + \ |
|
| 185 | timedelta(minutes=timezone_offset) |
|
| 186 | if period_type == 'hourly': |
|
| 187 | current_datetime = current_datetime_local.strftime('%Y-%m-%dT%H:%M:%S') |
|
| 188 | elif period_type == 'daily': |
|
| 189 | current_datetime = current_datetime_local.strftime('%Y-%m-%d') |
|
| 190 | elif period_type == 'monthly': |
|
| 191 | current_datetime = current_datetime_local.strftime('%Y-%m') |
|
| 192 | elif period_type == 'yearly': |
|
| 193 | current_datetime = current_datetime_local.strftime('%Y') |
|
| 194 | ||
| 195 | actual_value = Decimal(0.0) if row_virtual_meter_periodically[1] is None \ |
|
| 196 | else row_virtual_meter_periodically[1] |
|
| 197 | base['timestamps'].append(current_datetime) |
|
| 198 | base['values'].append(actual_value) |
|
| 199 | base['total_in_category'] += actual_value |
|
| 200 | base['total_in_kgce'] += actual_value * virtual_meter['kgce'] |
|
| 201 | base['total_in_kgco2e'] += actual_value * virtual_meter['kgco2e'] |
|
| 202 | ||
| 203 | ################################################################################################################ |
|
| 204 | # Step 3: query reporting period energy consumption |
|
| 205 | ################################################################################################################ |
|
| 206 | query = (" SELECT start_datetime_utc, actual_value " |
|
| 207 | " FROM tbl_virtual_meter_hourly " |
|
| 208 | " WHERE virtual_meter_id = %s " |
|
| 209 | " AND start_datetime_utc >= %s " |
|
| 210 | " AND start_datetime_utc < %s " |
|
| 211 | " ORDER BY start_datetime_utc ") |
|
| 212 | cursor_energy.execute(query, (virtual_meter['id'], reporting_start_datetime_utc, reporting_end_datetime_utc)) |
|
| 213 | rows_virtual_meter_hourly = cursor_energy.fetchall() |
|
| 214 | ||
| 215 | rows_virtual_meter_periodically = utilities.aggregate_hourly_data_by_period(rows_virtual_meter_hourly, |
|
| 216 | reporting_start_datetime_utc, |
|
| 217 | reporting_end_datetime_utc, |
|
| 218 | period_type) |
|
| 219 | reporting = dict() |
|
| 220 | reporting['timestamps'] = list() |
|
| 221 | reporting['values'] = list() |
|
| 222 | reporting['total_in_category'] = Decimal(0.0) |
|
| 223 | reporting['total_in_kgce'] = Decimal(0.0) |
|
| 224 | reporting['total_in_kgco2e'] = Decimal(0.0) |
|
| 225 | ||
| 226 | for row_virtual_meter_periodically in rows_virtual_meter_periodically: |
|
| 227 | current_datetime_local = row_virtual_meter_periodically[0].replace(tzinfo=timezone.utc) + \ |
|
| 228 | timedelta(minutes=timezone_offset) |
|
| 229 | if period_type == 'hourly': |
|
| 230 | current_datetime = current_datetime_local.strftime('%Y-%m-%dT%H:%M:%S') |
|
| 231 | elif period_type == 'daily': |
|
| 232 | current_datetime = current_datetime_local.strftime('%Y-%m-%d') |
|
| 233 | elif period_type == 'monthly': |
|
| 234 | current_datetime = current_datetime_local.strftime('%Y-%m') |
|
| 235 | elif period_type == 'yearly': |
|
| 236 | current_datetime = current_datetime_local.strftime('%Y') |
|
| 237 | ||
| 238 | actual_value = Decimal(0.0) if row_virtual_meter_periodically[1] is None \ |
|
| 239 | else row_virtual_meter_periodically[1] |
|
| 240 | ||
| 241 | reporting['timestamps'].append(current_datetime) |
|
| 242 | reporting['values'].append(actual_value) |
|
| 243 | reporting['total_in_category'] += actual_value |
|
| 244 | reporting['total_in_kgce'] += actual_value * virtual_meter['kgce'] |
|
| 245 | reporting['total_in_kgco2e'] += actual_value * virtual_meter['kgco2e'] |
|
| 246 | ||
| 247 | ################################################################################################################ |
|
| 248 | # Step 5: query tariff data |
|
| 249 | ################################################################################################################ |
|
| 250 | parameters_data = dict() |
|
| 251 | parameters_data['names'] = list() |
|
| 252 | parameters_data['timestamps'] = list() |
|
| 253 | parameters_data['values'] = list() |
|
| 254 | ||
| 255 | tariff_dict = utilities.get_energy_category_tariffs(virtual_meter['cost_center_id'], |
|
| 256 | virtual_meter['energy_category_id'], |
|
| 257 | reporting_start_datetime_utc, |
|
| 258 | reporting_end_datetime_utc) |
|
| 259 | tariff_timestamp_list = list() |
|
| 260 | tariff_value_list = list() |
|
| 261 | for k, v in tariff_dict.items(): |
|
| 262 | # convert k from utc to local |
|
| 263 | k = k + timedelta(minutes=timezone_offset) |
|
| 264 | tariff_timestamp_list.append(k.isoformat()[0:19]) |
|
| 265 | tariff_value_list.append(v) |
|
| 266 | ||
| 267 | parameters_data['names'].append('TARIFF-' + virtual_meter['energy_category_name']) |
|
| 268 | parameters_data['timestamps'].append(tariff_timestamp_list) |
|
| 269 | parameters_data['values'].append(tariff_value_list) |
|
| 270 | ||
| 271 | ################################################################################################################ |
|
| 272 | # Step 6: construct the report |
|
| 273 | ################################################################################################################ |
|
| 274 | if cursor_system: |
|
| 275 | cursor_system.close() |
|
| 276 | if cnx_system: |
|
| 277 | cnx_system.disconnect() |
|
| 278 | ||
| 279 | if cursor_energy: |
|
| 280 | cursor_energy.close() |
|
| 281 | if cnx_energy: |
|
| 282 | cnx_energy.disconnect() |
|
| 283 | ||
| 284 | result = { |
|
| 285 | "virtual_meter": { |
|
| 286 | "cost_center_id": virtual_meter['cost_center_id'], |
|
| 287 | "energy_category_id": virtual_meter['energy_category_id'], |
|
| 288 | "energy_category_name": virtual_meter['energy_category_name'], |
|
| 289 | "unit_of_measure": virtual_meter['unit_of_measure'], |
|
| 290 | "kgce": virtual_meter['kgce'], |
|
| 291 | "kgco2e": virtual_meter['kgco2e'], |
|
| 292 | }, |
|
| 293 | "base_period": { |
|
| 294 | "total_in_category": base['total_in_category'], |
|
| 295 | "total_in_kgce": base['total_in_kgce'], |
|
| 296 | "total_in_kgco2e": base['total_in_kgco2e'], |
|
| 297 | "timestamps": base['timestamps'], |
|
| 298 | "values": base['values'], |
|
| 299 | }, |
|
| 300 | "reporting_period": { |
|
| 301 | "increment_rate": |
|
| 302 | (reporting['total_in_category'] - base['total_in_category']) / base['total_in_category'] |
|
| 303 | if base['total_in_category'] > 0 else None, |
|
| 304 | "total_in_category": reporting['total_in_category'], |
|
| 305 | "total_in_kgce": reporting['total_in_kgce'], |
|
| 306 | "total_in_kgco2e": reporting['total_in_kgco2e'], |
|
| 307 | "timestamps": reporting['timestamps'], |
|
| 308 | "values": reporting['values'], |
|
| 309 | }, |
|
| 310 | "parameters": { |
|
| 311 | "names": parameters_data['names'], |
|
| 312 | "timestamps": parameters_data['timestamps'], |
|
| 313 | "values": parameters_data['values'] |
|
| 314 | }, |
|
| 315 | } |
|
| 316 | ||
| 317 | # export result to Excel file and then encode the file to base64 string |
|
| 318 | result['excel_bytes_base64'] = \ |
|
| 319 | excelexporters.virtualmeterenergy.export(result, |
|
| 320 | virtual_meter['name'], |
|
| 321 | reporting_period_start_datetime_local, |
|
| 322 | reporting_period_end_datetime_local, |
|
| 323 | period_type) |
|
| 324 | ||
| 325 | resp.body = json.dumps(result) |
|
| 326 | ||
| @@ 11-322 (lines=312) @@ | ||
| 8 | import excelexporters.offlinemeterenergy |
|
| 9 | ||
| 10 | ||
| 11 | class Reporting: |
|
| 12 | @staticmethod |
|
| 13 | def __init__(): |
|
| 14 | pass |
|
| 15 | ||
| 16 | @staticmethod |
|
| 17 | def on_options(req, resp): |
|
| 18 | resp.status = falcon.HTTP_200 |
|
| 19 | ||
| 20 | #################################################################################################################### |
|
| 21 | # PROCEDURES |
|
| 22 | # Step 1: valid parameters |
|
| 23 | # Step 2: query the offline meter and energy category |
|
| 24 | # Step 3: query base period energy consumption |
|
| 25 | # Step 4: query reporting period energy consumption |
|
| 26 | # Step 5: query tariff data |
|
| 27 | # Step 6: construct the report |
|
| 28 | #################################################################################################################### |
|
| 29 | @staticmethod |
|
| 30 | def on_get(req, resp): |
|
| 31 | print(req.params) |
|
| 32 | offline_meter_id = req.params.get('offlinemeterid') |
|
| 33 | period_type = req.params.get('periodtype') |
|
| 34 | base_period_start_datetime = req.params.get('baseperiodstartdatetime') |
|
| 35 | base_period_end_datetime = req.params.get('baseperiodenddatetime') |
|
| 36 | reporting_period_start_datetime = req.params.get('reportingperiodstartdatetime') |
|
| 37 | reporting_period_end_datetime = req.params.get('reportingperiodenddatetime') |
|
| 38 | ||
| 39 | ################################################################################################################ |
|
| 40 | # Step 1: valid parameters |
|
| 41 | ################################################################################################################ |
|
| 42 | if offline_meter_id is None: |
|
| 43 | raise falcon.HTTPError(falcon.HTTP_400, |
|
| 44 | title='API.BAD_REQUEST', |
|
| 45 | description='API.INVALID_OFFLINE_METER_ID') |
|
| 46 | else: |
|
| 47 | offline_meter_id = str.strip(offline_meter_id) |
|
| 48 | if not offline_meter_id.isdigit() or int(offline_meter_id) <= 0: |
|
| 49 | raise falcon.HTTPError(falcon.HTTP_400, |
|
| 50 | title='API.BAD_REQUEST', |
|
| 51 | description='API.INVALID_OFFLINE_METER_ID') |
|
| 52 | ||
| 53 | if period_type is None: |
|
| 54 | raise falcon.HTTPError(falcon.HTTP_400, title='API.BAD_REQUEST', description='API.INVALID_PERIOD_TYPE') |
|
| 55 | else: |
|
| 56 | period_type = str.strip(period_type) |
|
| 57 | if period_type not in ['hourly', 'daily', 'monthly', 'yearly']: |
|
| 58 | raise falcon.HTTPError(falcon.HTTP_400, title='API.BAD_REQUEST', description='API.INVALID_PERIOD_TYPE') |
|
| 59 | ||
| 60 | timezone_offset = int(config.utc_offset[1:3]) * 60 + int(config.utc_offset[4:6]) |
|
| 61 | if config.utc_offset[0] == '-': |
|
| 62 | timezone_offset = -timezone_offset |
|
| 63 | ||
| 64 | base_start_datetime_utc = None |
|
| 65 | if base_period_start_datetime is not None and len(str.strip(base_period_start_datetime)) > 0: |
|
| 66 | base_period_start_datetime = str.strip(base_period_start_datetime) |
|
| 67 | try: |
|
| 68 | base_start_datetime_utc = datetime.strptime(base_period_start_datetime, '%Y-%m-%dT%H:%M:%S') |
|
| 69 | except ValueError: |
|
| 70 | raise falcon.HTTPError(falcon.HTTP_400, title='API.BAD_REQUEST', |
|
| 71 | description="API.INVALID_BASE_PERIOD_START_DATETIME") |
|
| 72 | base_start_datetime_utc = base_start_datetime_utc.replace(tzinfo=timezone.utc) - \ |
|
| 73 | timedelta(minutes=timezone_offset) |
|
| 74 | ||
| 75 | base_end_datetime_utc = None |
|
| 76 | if base_period_end_datetime is not None and len(str.strip(base_period_end_datetime)) > 0: |
|
| 77 | base_period_end_datetime = str.strip(base_period_end_datetime) |
|
| 78 | try: |
|
| 79 | base_end_datetime_utc = datetime.strptime(base_period_end_datetime, '%Y-%m-%dT%H:%M:%S') |
|
| 80 | except ValueError: |
|
| 81 | raise falcon.HTTPError(falcon.HTTP_400, title='API.BAD_REQUEST', |
|
| 82 | description="API.INVALID_BASE_PERIOD_END_DATETIME") |
|
| 83 | base_end_datetime_utc = base_end_datetime_utc.replace(tzinfo=timezone.utc) - \ |
|
| 84 | timedelta(minutes=timezone_offset) |
|
| 85 | ||
| 86 | if base_start_datetime_utc is not None and base_end_datetime_utc is not None and \ |
|
| 87 | base_start_datetime_utc >= base_end_datetime_utc: |
|
| 88 | raise falcon.HTTPError(falcon.HTTP_400, title='API.BAD_REQUEST', |
|
| 89 | description='API.INVALID_BASE_PERIOD_END_DATETIME') |
|
| 90 | ||
| 91 | if reporting_period_start_datetime is None: |
|
| 92 | raise falcon.HTTPError(falcon.HTTP_400, title='API.BAD_REQUEST', |
|
| 93 | description="API.INVALID_REPORTING_PERIOD_START_DATETIME") |
|
| 94 | else: |
|
| 95 | reporting_period_start_datetime = str.strip(reporting_period_start_datetime) |
|
| 96 | try: |
|
| 97 | reporting_start_datetime_utc = datetime.strptime(reporting_period_start_datetime, '%Y-%m-%dT%H:%M:%S') |
|
| 98 | except ValueError: |
|
| 99 | raise falcon.HTTPError(falcon.HTTP_400, title='API.BAD_REQUEST', |
|
| 100 | description="API.INVALID_REPORTING_PERIOD_START_DATETIME") |
|
| 101 | reporting_start_datetime_utc = reporting_start_datetime_utc.replace(tzinfo=timezone.utc) - \ |
|
| 102 | timedelta(minutes=timezone_offset) |
|
| 103 | ||
| 104 | if reporting_period_end_datetime is None: |
|
| 105 | raise falcon.HTTPError(falcon.HTTP_400, title='API.BAD_REQUEST', |
|
| 106 | description="API.INVALID_REPORTING_PERIOD_END_DATETIME") |
|
| 107 | else: |
|
| 108 | reporting_period_end_datetime = str.strip(reporting_period_end_datetime) |
|
| 109 | try: |
|
| 110 | reporting_end_datetime_utc = datetime.strptime(reporting_period_end_datetime, '%Y-%m-%dT%H:%M:%S') |
|
| 111 | except ValueError: |
|
| 112 | raise falcon.HTTPError(falcon.HTTP_400, title='API.BAD_REQUEST', |
|
| 113 | description="API.INVALID_REPORTING_PERIOD_END_DATETIME") |
|
| 114 | reporting_end_datetime_utc = reporting_end_datetime_utc.replace(tzinfo=timezone.utc) - \ |
|
| 115 | timedelta(minutes=timezone_offset) |
|
| 116 | ||
| 117 | if reporting_start_datetime_utc >= reporting_end_datetime_utc: |
|
| 118 | raise falcon.HTTPError(falcon.HTTP_400, title='API.BAD_REQUEST', |
|
| 119 | description='API.INVALID_REPORTING_PERIOD_END_DATETIME') |
|
| 120 | ||
| 121 | ################################################################################################################ |
|
| 122 | # Step 2: query the offline meter and energy category |
|
| 123 | ################################################################################################################ |
|
| 124 | cnx_system = mysql.connector.connect(**config.myems_system_db) |
|
| 125 | cursor_system = cnx_system.cursor() |
|
| 126 | ||
| 127 | cnx_energy = mysql.connector.connect(**config.myems_energy_db) |
|
| 128 | cursor_energy = cnx_energy.cursor() |
|
| 129 | ||
| 130 | cursor_system.execute(" SELECT m.id, m.name, m.cost_center_id, m.energy_category_id, " |
|
| 131 | " ec.name, ec.unit_of_measure, ec.kgce, ec.kgco2e " |
|
| 132 | " FROM tbl_offline_meters m, tbl_energy_categories ec " |
|
| 133 | " WHERE m.id = %s AND m.energy_category_id = ec.id ", (offline_meter_id,)) |
|
| 134 | row_offline_meter = cursor_system.fetchone() |
|
| 135 | if row_offline_meter is None: |
|
| 136 | if cursor_system: |
|
| 137 | cursor_system.close() |
|
| 138 | if cnx_system: |
|
| 139 | cnx_system.disconnect() |
|
| 140 | ||
| 141 | if cursor_energy: |
|
| 142 | cursor_energy.close() |
|
| 143 | if cnx_energy: |
|
| 144 | cnx_energy.disconnect() |
|
| 145 | raise falcon.HTTPError(falcon.HTTP_404, title='API.NOT_FOUND', description='API.OFFLINE_METER_NOT_FOUND') |
|
| 146 | ||
| 147 | offline_meter = dict() |
|
| 148 | offline_meter['id'] = row_offline_meter[0] |
|
| 149 | offline_meter['name'] = row_offline_meter[1] |
|
| 150 | offline_meter['cost_center_id'] = row_offline_meter[2] |
|
| 151 | offline_meter['energy_category_id'] = row_offline_meter[3] |
|
| 152 | offline_meter['energy_category_name'] = row_offline_meter[4] |
|
| 153 | offline_meter['unit_of_measure'] = row_offline_meter[5] |
|
| 154 | offline_meter['kgce'] = row_offline_meter[6] |
|
| 155 | offline_meter['kgco2e'] = row_offline_meter[7] |
|
| 156 | ||
| 157 | ################################################################################################################ |
|
| 158 | # Step 3: query base period energy consumption |
|
| 159 | ################################################################################################################ |
|
| 160 | query = (" SELECT start_datetime_utc, actual_value " |
|
| 161 | " FROM tbl_offline_meter_hourly " |
|
| 162 | " WHERE offline_meter_id = %s " |
|
| 163 | " AND start_datetime_utc >= %s " |
|
| 164 | " AND start_datetime_utc < %s " |
|
| 165 | " ORDER BY start_datetime_utc ") |
|
| 166 | cursor_energy.execute(query, (offline_meter['id'], base_start_datetime_utc, base_end_datetime_utc)) |
|
| 167 | rows_offline_meter_hourly = cursor_energy.fetchall() |
|
| 168 | ||
| 169 | rows_offline_meter_periodically = utilities.aggregate_hourly_data_by_period(rows_offline_meter_hourly, |
|
| 170 | base_start_datetime_utc, |
|
| 171 | base_end_datetime_utc, |
|
| 172 | period_type) |
|
| 173 | base = dict() |
|
| 174 | base['timestamps'] = list() |
|
| 175 | base['values'] = list() |
|
| 176 | base['total_in_category'] = Decimal(0.0) |
|
| 177 | base['total_in_kgce'] = Decimal(0.0) |
|
| 178 | base['total_in_kgco2e'] = Decimal(0.0) |
|
| 179 | ||
| 180 | for row_offline_meter_periodically in rows_offline_meter_periodically: |
|
| 181 | current_datetime_local = row_offline_meter_periodically[0].replace(tzinfo=timezone.utc) + \ |
|
| 182 | timedelta(minutes=timezone_offset) |
|
| 183 | if period_type == 'hourly': |
|
| 184 | current_datetime = current_datetime_local.strftime('%Y-%m-%dT%H:%M:%S') |
|
| 185 | elif period_type == 'daily': |
|
| 186 | current_datetime = current_datetime_local.strftime('%Y-%m-%d') |
|
| 187 | elif period_type == 'monthly': |
|
| 188 | current_datetime = current_datetime_local.strftime('%Y-%m') |
|
| 189 | elif period_type == 'yearly': |
|
| 190 | current_datetime = current_datetime_local.strftime('%Y') |
|
| 191 | ||
| 192 | actual_value = Decimal(0.0) if row_offline_meter_periodically[1] is None \ |
|
| 193 | else row_offline_meter_periodically[1] |
|
| 194 | base['timestamps'].append(current_datetime) |
|
| 195 | base['values'].append(actual_value) |
|
| 196 | base['total_in_category'] += actual_value |
|
| 197 | base['total_in_kgce'] += actual_value * offline_meter['kgce'] |
|
| 198 | base['total_in_kgco2e'] += actual_value * offline_meter['kgco2e'] |
|
| 199 | ################################################################################################################ |
|
| 200 | # Step 4: query reporting period energy consumption |
|
| 201 | ################################################################################################################ |
|
| 202 | ||
| 203 | query = (" SELECT start_datetime_utc, actual_value " |
|
| 204 | " FROM tbl_offline_meter_hourly " |
|
| 205 | " WHERE offline_meter_id = %s " |
|
| 206 | " AND start_datetime_utc >= %s " |
|
| 207 | " AND start_datetime_utc < %s " |
|
| 208 | " ORDER BY start_datetime_utc ") |
|
| 209 | cursor_energy.execute(query, (offline_meter['id'], reporting_start_datetime_utc, reporting_end_datetime_utc)) |
|
| 210 | rows_offline_meter_hourly = cursor_energy.fetchall() |
|
| 211 | ||
| 212 | rows_offline_meter_periodically = utilities.aggregate_hourly_data_by_period(rows_offline_meter_hourly, |
|
| 213 | reporting_start_datetime_utc, |
|
| 214 | reporting_end_datetime_utc, |
|
| 215 | period_type) |
|
| 216 | reporting = dict() |
|
| 217 | reporting['timestamps'] = list() |
|
| 218 | reporting['values'] = list() |
|
| 219 | reporting['total_in_category'] = Decimal(0.0) |
|
| 220 | reporting['total_in_kgce'] = Decimal(0.0) |
|
| 221 | reporting['total_in_kgco2e'] = Decimal(0.0) |
|
| 222 | ||
| 223 | for row_offline_meter_periodically in rows_offline_meter_periodically: |
|
| 224 | current_datetime_local = row_offline_meter_periodically[0].replace(tzinfo=timezone.utc) + \ |
|
| 225 | timedelta(minutes=timezone_offset) |
|
| 226 | if period_type == 'hourly': |
|
| 227 | current_datetime = current_datetime_local.strftime('%Y-%m-%dT%H:%M:%S') |
|
| 228 | elif period_type == 'daily': |
|
| 229 | current_datetime = current_datetime_local.strftime('%Y-%m-%d') |
|
| 230 | elif period_type == 'monthly': |
|
| 231 | current_datetime = current_datetime_local.strftime('%Y-%m') |
|
| 232 | elif period_type == 'yearly': |
|
| 233 | current_datetime = current_datetime_local.strftime('%Y') |
|
| 234 | ||
| 235 | actual_value = Decimal(0.0) if row_offline_meter_periodically[1] is None \ |
|
| 236 | else row_offline_meter_periodically[1] |
|
| 237 | ||
| 238 | reporting['timestamps'].append(current_datetime) |
|
| 239 | reporting['values'].append(actual_value) |
|
| 240 | reporting['total_in_category'] += actual_value |
|
| 241 | reporting['total_in_kgce'] += actual_value * offline_meter['kgce'] |
|
| 242 | reporting['total_in_kgco2e'] += actual_value * offline_meter['kgco2e'] |
|
| 243 | ||
| 244 | ################################################################################################################ |
|
| 245 | # Step 5: query tariff data |
|
| 246 | ################################################################################################################ |
|
| 247 | parameters_data = dict() |
|
| 248 | parameters_data['names'] = list() |
|
| 249 | parameters_data['timestamps'] = list() |
|
| 250 | parameters_data['values'] = list() |
|
| 251 | ||
| 252 | tariff_dict = utilities.get_energy_category_tariffs(offline_meter['cost_center_id'], |
|
| 253 | offline_meter['energy_category_id'], |
|
| 254 | reporting_start_datetime_utc, |
|
| 255 | reporting_end_datetime_utc) |
|
| 256 | tariff_timestamp_list = list() |
|
| 257 | tariff_value_list = list() |
|
| 258 | for k, v in tariff_dict.items(): |
|
| 259 | # convert k from utc to local |
|
| 260 | k = k + timedelta(minutes=timezone_offset) |
|
| 261 | tariff_timestamp_list.append(k.isoformat()[0:19]) |
|
| 262 | tariff_value_list.append(v) |
|
| 263 | ||
| 264 | parameters_data['names'].append('TARIFF-' + offline_meter['energy_category_name']) |
|
| 265 | parameters_data['timestamps'].append(tariff_timestamp_list) |
|
| 266 | parameters_data['values'].append(tariff_value_list) |
|
| 267 | ||
| 268 | ################################################################################################################ |
|
| 269 | # Step 6: construct the report |
|
| 270 | ################################################################################################################ |
|
| 271 | if cursor_system: |
|
| 272 | cursor_system.close() |
|
| 273 | if cnx_system: |
|
| 274 | cnx_system.disconnect() |
|
| 275 | ||
| 276 | if cursor_energy: |
|
| 277 | cursor_energy.close() |
|
| 278 | if cnx_energy: |
|
| 279 | cnx_energy.disconnect() |
|
| 280 | ||
| 281 | result = { |
|
| 282 | "offline_meter": { |
|
| 283 | "cost_center_id": offline_meter['cost_center_id'], |
|
| 284 | "energy_category_id": offline_meter['energy_category_id'], |
|
| 285 | "energy_category_name": offline_meter['energy_category_name'], |
|
| 286 | "unit_of_measure": offline_meter['unit_of_measure'], |
|
| 287 | "kgce": offline_meter['kgce'], |
|
| 288 | "kgco2e": offline_meter['kgco2e'], |
|
| 289 | }, |
|
| 290 | "base_period": { |
|
| 291 | "total_in_category": base['total_in_category'], |
|
| 292 | "total_in_kgce": base['total_in_kgce'], |
|
| 293 | "total_in_kgco2e": base['total_in_kgco2e'], |
|
| 294 | "timestamps": base['timestamps'], |
|
| 295 | "values": base['values'], |
|
| 296 | }, |
|
| 297 | "reporting_period": { |
|
| 298 | "increment_rate": |
|
| 299 | (reporting['total_in_category'] - base['total_in_category']) / base['total_in_category'] |
|
| 300 | if base['total_in_category'] > 0 else None, |
|
| 301 | "total_in_category": reporting['total_in_category'], |
|
| 302 | "total_in_kgce": reporting['total_in_kgce'], |
|
| 303 | "total_in_kgco2e": reporting['total_in_kgco2e'], |
|
| 304 | "timestamps": reporting['timestamps'], |
|
| 305 | "values": reporting['values'], |
|
| 306 | }, |
|
| 307 | "parameters": { |
|
| 308 | "names": parameters_data['names'], |
|
| 309 | "timestamps": parameters_data['timestamps'], |
|
| 310 | "values": parameters_data['values'] |
|
| 311 | }, |
|
| 312 | } |
|
| 313 | ||
| 314 | # export result to Excel file and then encode the file to base64 string |
|
| 315 | result['excel_bytes_base64'] = \ |
|
| 316 | excelexporters.offlinemeterenergy.export(result, |
|
| 317 | offline_meter['name'], |
|
| 318 | reporting_period_start_datetime, |
|
| 319 | reporting_period_end_datetime, |
|
| 320 | period_type) |
|
| 321 | ||
| 322 | resp.body = json.dumps(result) |
|
| 323 | ||
