myems /
myems-api
| @@ 11-386 (lines=376) @@ | ||
| 8 | import excelexporters.offlinemetercost |
|
| 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 base period energy cost |
|
| 26 | # Step 5: query reporting period energy consumption |
|
| 27 | # Step 6: query reporting period energy cost |
|
| 28 | # Step 7: query tariff data |
|
| 29 | # Step 8: construct the report |
|
| 30 | #################################################################################################################### |
|
| 31 | @staticmethod |
|
| 32 | def on_get(req, resp): |
|
| 33 | print(req.params) |
|
| 34 | offline_meter_id = req.params.get('offlinemeterid') |
|
| 35 | period_type = req.params.get('periodtype') |
|
| 36 | base_period_start_datetime = req.params.get('baseperiodstartdatetime') |
|
| 37 | base_period_end_datetime = req.params.get('baseperiodenddatetime') |
|
| 38 | reporting_period_start_datetime_local = req.params.get('reportingperiodstartdatetime') |
|
| 39 | reporting_period_end_datetime_local = req.params.get('reportingperiodenddatetime') |
|
| 40 | ||
| 41 | ################################################################################################################ |
|
| 42 | # Step 1: valid parameters |
|
| 43 | ################################################################################################################ |
|
| 44 | if offline_meter_id is None: |
|
| 45 | raise falcon.HTTPError(falcon.HTTP_400, |
|
| 46 | title='API.BAD_REQUEST', |
|
| 47 | description='API.INVALID_OFFLINE_METER_ID') |
|
| 48 | else: |
|
| 49 | offline_meter_id = str.strip(offline_meter_id) |
|
| 50 | if not offline_meter_id.isdigit() or int(offline_meter_id) <= 0: |
|
| 51 | raise falcon.HTTPError(falcon.HTTP_400, |
|
| 52 | title='API.BAD_REQUEST', |
|
| 53 | description='API.INVALID_OFFLINE_METER_ID') |
|
| 54 | ||
| 55 | if period_type is None: |
|
| 56 | raise falcon.HTTPError(falcon.HTTP_400, title='API.BAD_REQUEST', description='API.INVALID_PERIOD_TYPE') |
|
| 57 | else: |
|
| 58 | period_type = str.strip(period_type) |
|
| 59 | if period_type not in ['hourly', 'daily', 'monthly', 'yearly']: |
|
| 60 | raise falcon.HTTPError(falcon.HTTP_400, title='API.BAD_REQUEST', description='API.INVALID_PERIOD_TYPE') |
|
| 61 | ||
| 62 | timezone_offset = int(config.utc_offset[1:3]) * 60 + int(config.utc_offset[4:6]) |
|
| 63 | if config.utc_offset[0] == '-': |
|
| 64 | timezone_offset = -timezone_offset |
|
| 65 | ||
| 66 | base_start_datetime_utc = None |
|
| 67 | if base_period_end_datetime is not None and len(str.strip(base_period_end_datetime)) > 0: |
|
| 68 | base_period_start_datetime = str.strip(base_period_start_datetime) |
|
| 69 | try: |
|
| 70 | base_start_datetime_utc = datetime.strptime(base_period_start_datetime, '%Y-%m-%dT%H:%M:%S') |
|
| 71 | except ValueError: |
|
| 72 | raise falcon.HTTPError(falcon.HTTP_400, title='API.BAD_REQUEST', |
|
| 73 | description="API.INVALID_BASE_PERIOD_START_DATETIME") |
|
| 74 | base_start_datetime_utc = base_start_datetime_utc.replace(tzinfo=timezone.utc) - \ |
|
| 75 | timedelta(minutes=timezone_offset) |
|
| 76 | ||
| 77 | base_end_datetime_utc = None |
|
| 78 | if base_period_end_datetime is not None and len(str.strip(base_period_end_datetime)) > 0: |
|
| 79 | base_period_end_datetime = str.strip(base_period_end_datetime) |
|
| 80 | try: |
|
| 81 | base_end_datetime_utc = datetime.strptime(base_period_end_datetime, '%Y-%m-%dT%H:%M:%S') |
|
| 82 | except ValueError: |
|
| 83 | raise falcon.HTTPError(falcon.HTTP_400, title='API.BAD_REQUEST', |
|
| 84 | description="API.INVALID_BASE_PERIOD_END_DATETIME") |
|
| 85 | base_end_datetime_utc = base_end_datetime_utc.replace(tzinfo=timezone.utc) - \ |
|
| 86 | timedelta(minutes=timezone_offset) |
|
| 87 | ||
| 88 | if base_start_datetime_utc is not None and base_end_datetime_utc is not None and \ |
|
| 89 | base_start_datetime_utc >= base_end_datetime_utc: |
|
| 90 | raise falcon.HTTPError(falcon.HTTP_400, title='API.BAD_REQUEST', |
|
| 91 | description='API.INVALID_BASE_PERIOD_END_DATETIME') |
|
| 92 | ||
| 93 | if reporting_period_start_datetime_local is None: |
|
| 94 | raise falcon.HTTPError(falcon.HTTP_400, title='API.BAD_REQUEST', |
|
| 95 | description="API.INVALID_REPORTING_PERIOD_START_DATETIME") |
|
| 96 | else: |
|
| 97 | reporting_period_start_datetime_local = str.strip(reporting_period_start_datetime_local) |
|
| 98 | try: |
|
| 99 | reporting_start_datetime_utc = datetime.strptime(reporting_period_start_datetime_local, |
|
| 100 | '%Y-%m-%dT%H:%M:%S') |
|
| 101 | except ValueError: |
|
| 102 | raise falcon.HTTPError(falcon.HTTP_400, title='API.BAD_REQUEST', |
|
| 103 | description="API.INVALID_REPORTING_PERIOD_START_DATETIME") |
|
| 104 | reporting_start_datetime_utc = reporting_start_datetime_utc.replace(tzinfo=timezone.utc) - \ |
|
| 105 | timedelta(minutes=timezone_offset) |
|
| 106 | ||
| 107 | if reporting_period_end_datetime_local is None: |
|
| 108 | raise falcon.HTTPError(falcon.HTTP_400, title='API.BAD_REQUEST', |
|
| 109 | description="API.INVALID_REPORTING_PERIOD_END_DATETIME") |
|
| 110 | else: |
|
| 111 | reporting_period_end_datetime_local = str.strip(reporting_period_end_datetime_local) |
|
| 112 | try: |
|
| 113 | reporting_end_datetime_utc = datetime.strptime(reporting_period_end_datetime_local, |
|
| 114 | '%Y-%m-%dT%H:%M:%S') |
|
| 115 | except ValueError: |
|
| 116 | raise falcon.HTTPError(falcon.HTTP_400, title='API.BAD_REQUEST', |
|
| 117 | description="API.INVALID_REPORTING_PERIOD_END_DATETIME") |
|
| 118 | reporting_end_datetime_utc = reporting_end_datetime_utc.replace(tzinfo=timezone.utc) - \ |
|
| 119 | timedelta(minutes=timezone_offset) |
|
| 120 | ||
| 121 | if reporting_start_datetime_utc >= reporting_end_datetime_utc: |
|
| 122 | raise falcon.HTTPError(falcon.HTTP_400, title='API.BAD_REQUEST', |
|
| 123 | description='API.INVALID_REPORTING_PERIOD_END_DATETIME') |
|
| 124 | ||
| 125 | ################################################################################################################ |
|
| 126 | # Step 2: query the offline meter and energy category |
|
| 127 | ################################################################################################################ |
|
| 128 | cnx_system = mysql.connector.connect(**config.myems_system_db) |
|
| 129 | cursor_system = cnx_system.cursor() |
|
| 130 | ||
| 131 | cnx_energy = mysql.connector.connect(**config.myems_energy_db) |
|
| 132 | cursor_energy = cnx_energy.cursor() |
|
| 133 | ||
| 134 | cnx_billing = mysql.connector.connect(**config.myems_billing_db) |
|
| 135 | cursor_billing = cnx_billing.cursor() |
|
| 136 | ||
| 137 | cursor_system.execute(" SELECT m.id, m.name, m.cost_center_id, m.energy_category_id, " |
|
| 138 | " ec.name, ec.unit_of_measure, ec.kgce, ec.kgco2e " |
|
| 139 | " FROM tbl_offline_meters m, tbl_energy_categories ec " |
|
| 140 | " WHERE m.id = %s AND m.energy_category_id = ec.id ", (offline_meter_id,)) |
|
| 141 | row_offline_meter = cursor_system.fetchone() |
|
| 142 | if row_offline_meter is None: |
|
| 143 | if cursor_system: |
|
| 144 | cursor_system.close() |
|
| 145 | if cnx_system: |
|
| 146 | cnx_system.disconnect() |
|
| 147 | ||
| 148 | if cursor_energy: |
|
| 149 | cursor_energy.close() |
|
| 150 | if cnx_energy: |
|
| 151 | cnx_energy.disconnect() |
|
| 152 | ||
| 153 | if cursor_billing: |
|
| 154 | cursor_billing.close() |
|
| 155 | if cnx_billing: |
|
| 156 | cnx_billing.disconnect() |
|
| 157 | ||
| 158 | raise falcon.HTTPError(falcon.HTTP_404, title='API.NOT_FOUND', description='API.OFFLINE_METER_NOT_FOUND') |
|
| 159 | ||
| 160 | offline_meter = dict() |
|
| 161 | offline_meter['id'] = row_offline_meter[0] |
|
| 162 | offline_meter['name'] = row_offline_meter[1] |
|
| 163 | offline_meter['cost_center_id'] = row_offline_meter[2] |
|
| 164 | offline_meter['energy_category_id'] = row_offline_meter[3] |
|
| 165 | offline_meter['energy_category_name'] = row_offline_meter[4] |
|
| 166 | offline_meter['unit_of_measure'] = config.currency_unit |
|
| 167 | offline_meter['kgce'] = row_offline_meter[6] |
|
| 168 | offline_meter['kgco2e'] = row_offline_meter[7] |
|
| 169 | ||
| 170 | ################################################################################################################ |
|
| 171 | # Step 3: query base period energy consumption |
|
| 172 | ################################################################################################################ |
|
| 173 | query = (" SELECT start_datetime_utc, actual_value " |
|
| 174 | " FROM tbl_offline_meter_hourly " |
|
| 175 | " WHERE offline_meter_id = %s " |
|
| 176 | " AND start_datetime_utc >= %s " |
|
| 177 | " AND start_datetime_utc < %s " |
|
| 178 | " ORDER BY start_datetime_utc ") |
|
| 179 | cursor_energy.execute(query, (offline_meter['id'], base_start_datetime_utc, base_end_datetime_utc)) |
|
| 180 | rows_offline_meter_hourly = cursor_energy.fetchall() |
|
| 181 | ||
| 182 | rows_offline_meter_periodically = utilities.aggregate_hourly_data_by_period(rows_offline_meter_hourly, |
|
| 183 | base_start_datetime_utc, |
|
| 184 | base_end_datetime_utc, |
|
| 185 | period_type) |
|
| 186 | base = dict() |
|
| 187 | base['timestamps'] = list() |
|
| 188 | base['values'] = list() |
|
| 189 | base['total_in_category'] = Decimal(0.0) |
|
| 190 | base['total_in_kgce'] = Decimal(0.0) |
|
| 191 | base['total_in_kgco2e'] = Decimal(0.0) |
|
| 192 | ||
| 193 | for row_offline_meter_periodically in rows_offline_meter_periodically: |
|
| 194 | current_datetime_local = row_offline_meter_periodically[0].replace(tzinfo=timezone.utc) + \ |
|
| 195 | timedelta(minutes=timezone_offset) |
|
| 196 | if period_type == 'hourly': |
|
| 197 | current_datetime = current_datetime_local.strftime('%Y-%m-%dT%H:%M:%S') |
|
| 198 | elif period_type == 'daily': |
|
| 199 | current_datetime = current_datetime_local.strftime('%Y-%m-%d') |
|
| 200 | elif period_type == 'monthly': |
|
| 201 | current_datetime = current_datetime_local.strftime('%Y-%m') |
|
| 202 | elif period_type == 'yearly': |
|
| 203 | current_datetime = current_datetime_local.strftime('%Y') |
|
| 204 | ||
| 205 | actual_value = Decimal(0.0) if row_offline_meter_periodically[1] is None \ |
|
| 206 | else row_offline_meter_periodically[1] |
|
| 207 | base['timestamps'].append(current_datetime) |
|
| 208 | base['total_in_kgce'] += actual_value * offline_meter['kgce'] |
|
| 209 | base['total_in_kgco2e'] += actual_value * offline_meter['kgco2e'] |
|
| 210 | ||
| 211 | ################################################################################################################ |
|
| 212 | # Step 4: query base period energy cost |
|
| 213 | ################################################################################################################ |
|
| 214 | query = (" SELECT start_datetime_utc, actual_value " |
|
| 215 | " FROM tbl_offline_meter_hourly " |
|
| 216 | " WHERE offline_meter_id = %s " |
|
| 217 | " AND start_datetime_utc >= %s " |
|
| 218 | " AND start_datetime_utc < %s " |
|
| 219 | " ORDER BY start_datetime_utc ") |
|
| 220 | cursor_billing.execute(query, (offline_meter['id'], base_start_datetime_utc, base_end_datetime_utc)) |
|
| 221 | rows_offline_meter_hourly = cursor_billing.fetchall() |
|
| 222 | ||
| 223 | rows_offline_meter_periodically = utilities.aggregate_hourly_data_by_period(rows_offline_meter_hourly, |
|
| 224 | base_start_datetime_utc, |
|
| 225 | base_end_datetime_utc, |
|
| 226 | period_type) |
|
| 227 | ||
| 228 | base['values'] = list() |
|
| 229 | base['total_in_category'] = Decimal(0.0) |
|
| 230 | ||
| 231 | for row_offline_meter_periodically in rows_offline_meter_periodically: |
|
| 232 | actual_value = Decimal(0.0) if row_offline_meter_periodically[1] is None \ |
|
| 233 | else row_offline_meter_periodically[1] |
|
| 234 | base['values'].append(actual_value) |
|
| 235 | base['total_in_category'] += actual_value |
|
| 236 | ||
| 237 | ################################################################################################################ |
|
| 238 | # Step 5: query reporting period energy consumption |
|
| 239 | ################################################################################################################ |
|
| 240 | query = (" SELECT start_datetime_utc, actual_value " |
|
| 241 | " FROM tbl_offline_meter_hourly " |
|
| 242 | " WHERE offline_meter_id = %s " |
|
| 243 | " AND start_datetime_utc >= %s " |
|
| 244 | " AND start_datetime_utc < %s " |
|
| 245 | " ORDER BY start_datetime_utc ") |
|
| 246 | cursor_energy.execute(query, (offline_meter['id'], reporting_start_datetime_utc, reporting_end_datetime_utc)) |
|
| 247 | rows_offline_meter_hourly = cursor_energy.fetchall() |
|
| 248 | ||
| 249 | rows_offline_meter_periodically = utilities.aggregate_hourly_data_by_period(rows_offline_meter_hourly, |
|
| 250 | reporting_start_datetime_utc, |
|
| 251 | reporting_end_datetime_utc, |
|
| 252 | period_type) |
|
| 253 | reporting = dict() |
|
| 254 | reporting['timestamps'] = list() |
|
| 255 | reporting['values'] = list() |
|
| 256 | reporting['total_in_category'] = Decimal(0.0) |
|
| 257 | reporting['total_in_kgce'] = Decimal(0.0) |
|
| 258 | reporting['total_in_kgco2e'] = Decimal(0.0) |
|
| 259 | ||
| 260 | for row_offline_meter_periodically in rows_offline_meter_periodically: |
|
| 261 | current_datetime_local = row_offline_meter_periodically[0].replace(tzinfo=timezone.utc) + \ |
|
| 262 | timedelta(minutes=timezone_offset) |
|
| 263 | if period_type == 'hourly': |
|
| 264 | current_datetime = current_datetime_local.strftime('%Y-%m-%dT%H:%M:%S') |
|
| 265 | elif period_type == 'daily': |
|
| 266 | current_datetime = current_datetime_local.strftime('%Y-%m-%d') |
|
| 267 | elif period_type == 'monthly': |
|
| 268 | current_datetime = current_datetime_local.strftime('%Y-%m') |
|
| 269 | elif period_type == 'yearly': |
|
| 270 | current_datetime = current_datetime_local.strftime('%Y') |
|
| 271 | ||
| 272 | actual_value = Decimal(0.0) if row_offline_meter_periodically[1] is None \ |
|
| 273 | else row_offline_meter_periodically[1] |
|
| 274 | ||
| 275 | reporting['timestamps'].append(current_datetime) |
|
| 276 | reporting['total_in_kgce'] += actual_value * offline_meter['kgce'] |
|
| 277 | reporting['total_in_kgco2e'] += actual_value * offline_meter['kgco2e'] |
|
| 278 | ||
| 279 | ################################################################################################################ |
|
| 280 | # Step 6: query reporting period energy cost |
|
| 281 | ################################################################################################################ |
|
| 282 | query = (" SELECT start_datetime_utc, actual_value " |
|
| 283 | " FROM tbl_offline_meter_hourly " |
|
| 284 | " WHERE offline_meter_id = %s " |
|
| 285 | " AND start_datetime_utc >= %s " |
|
| 286 | " AND start_datetime_utc < %s " |
|
| 287 | " ORDER BY start_datetime_utc ") |
|
| 288 | cursor_billing.execute(query, (offline_meter['id'], reporting_start_datetime_utc, reporting_end_datetime_utc)) |
|
| 289 | rows_offline_meter_hourly = cursor_billing.fetchall() |
|
| 290 | ||
| 291 | rows_offline_meter_periodically = utilities.aggregate_hourly_data_by_period(rows_offline_meter_hourly, |
|
| 292 | reporting_start_datetime_utc, |
|
| 293 | reporting_end_datetime_utc, |
|
| 294 | period_type) |
|
| 295 | ||
| 296 | for row_offline_meter_periodically in rows_offline_meter_periodically: |
|
| 297 | actual_value = Decimal(0.0) if row_offline_meter_periodically[1] is None \ |
|
| 298 | else row_offline_meter_periodically[1] |
|
| 299 | ||
| 300 | reporting['values'].append(actual_value) |
|
| 301 | reporting['total_in_category'] += actual_value |
|
| 302 | ||
| 303 | ################################################################################################################ |
|
| 304 | # Step 7: query tariff data |
|
| 305 | ################################################################################################################ |
|
| 306 | parameters_data = dict() |
|
| 307 | parameters_data['names'] = list() |
|
| 308 | parameters_data['timestamps'] = list() |
|
| 309 | parameters_data['values'] = list() |
|
| 310 | ||
| 311 | tariff_dict = utilities.get_energy_category_tariffs(offline_meter['cost_center_id'], |
|
| 312 | offline_meter['energy_category_id'], |
|
| 313 | reporting_start_datetime_utc, |
|
| 314 | reporting_end_datetime_utc) |
|
| 315 | tariff_timestamp_list = list() |
|
| 316 | tariff_value_list = list() |
|
| 317 | for k, v in tariff_dict.items(): |
|
| 318 | # convert k from utc to local |
|
| 319 | k = k + timedelta(minutes=timezone_offset) |
|
| 320 | tariff_timestamp_list.append(k.isoformat()[0:19]) |
|
| 321 | tariff_value_list.append(v) |
|
| 322 | ||
| 323 | parameters_data['names'].append('TARIFF-' + offline_meter['energy_category_name']) |
|
| 324 | parameters_data['timestamps'].append(tariff_timestamp_list) |
|
| 325 | parameters_data['values'].append(tariff_value_list) |
|
| 326 | ||
| 327 | ################################################################################################################ |
|
| 328 | # Step 8: construct the report |
|
| 329 | ################################################################################################################ |
|
| 330 | if cursor_system: |
|
| 331 | cursor_system.close() |
|
| 332 | if cnx_system: |
|
| 333 | cnx_system.disconnect() |
|
| 334 | ||
| 335 | if cursor_energy: |
|
| 336 | cursor_energy.close() |
|
| 337 | if cnx_energy: |
|
| 338 | cnx_energy.disconnect() |
|
| 339 | ||
| 340 | if cursor_billing: |
|
| 341 | cursor_billing.close() |
|
| 342 | if cnx_billing: |
|
| 343 | cnx_billing.disconnect() |
|
| 344 | ||
| 345 | result = { |
|
| 346 | "offline_meter": { |
|
| 347 | "cost_center_id": offline_meter['cost_center_id'], |
|
| 348 | "energy_category_id": offline_meter['energy_category_id'], |
|
| 349 | "energy_category_name": offline_meter['energy_category_name'], |
|
| 350 | "unit_of_measure": config.currency_unit, |
|
| 351 | "kgce": offline_meter['kgce'], |
|
| 352 | "kgco2e": offline_meter['kgco2e'], |
|
| 353 | }, |
|
| 354 | "base_period": { |
|
| 355 | "total_in_category": base['total_in_category'], |
|
| 356 | "total_in_kgce": base['total_in_kgce'], |
|
| 357 | "total_in_kgco2e": base['total_in_kgco2e'], |
|
| 358 | "timestamps": base['timestamps'], |
|
| 359 | "values": base['values'], |
|
| 360 | }, |
|
| 361 | "reporting_period": { |
|
| 362 | "increment_rate": |
|
| 363 | (reporting['total_in_category'] - base['total_in_category']) / base['total_in_category'] |
|
| 364 | if base['total_in_category'] > 0 else None, |
|
| 365 | "total_in_category": reporting['total_in_category'], |
|
| 366 | "total_in_kgce": reporting['total_in_kgce'], |
|
| 367 | "total_in_kgco2e": reporting['total_in_kgco2e'], |
|
| 368 | "timestamps": reporting['timestamps'], |
|
| 369 | "values": reporting['values'], |
|
| 370 | }, |
|
| 371 | "parameters": { |
|
| 372 | "names": parameters_data['names'], |
|
| 373 | "timestamps": parameters_data['timestamps'], |
|
| 374 | "values": parameters_data['values'] |
|
| 375 | }, |
|
| 376 | } |
|
| 377 | ||
| 378 | # export result to Excel file and then encode the file to base64 string |
|
| 379 | result['excel_bytes_base64'] = \ |
|
| 380 | excelexporters.offlinemetercost.export(result, |
|
| 381 | offline_meter['name'], |
|
| 382 | reporting_period_start_datetime_local, |
|
| 383 | reporting_period_end_datetime_local, |
|
| 384 | period_type) |
|
| 385 | ||
| 386 | resp.body = json.dumps(result) |
|
| 387 | ||
| @@ 11-385 (lines=375) @@ | ||
| 8 | import excelexporters.virtualmetercost |
|
| 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 base period energy cost |
|
| 26 | # Step 5: query reporting period energy consumption |
|
| 27 | # Step 6: query reporting period energy cost |
|
| 28 | # Step 7: query tariff data |
|
| 29 | # Step 8: construct the report |
|
| 30 | #################################################################################################################### |
|
| 31 | @staticmethod |
|
| 32 | def on_get(req, resp): |
|
| 33 | print(req.params) |
|
| 34 | virtual_meter_id = req.params.get('virtualmeterid') |
|
| 35 | period_type = req.params.get('periodtype') |
|
| 36 | base_period_start_datetime_local = req.params.get('baseperiodstartdatetime') |
|
| 37 | base_period_end_datetime_local = req.params.get('baseperiodenddatetime') |
|
| 38 | reporting_period_start_datetime_local = req.params.get('reportingperiodstartdatetime') |
|
| 39 | reporting_period_end_datetime_local = req.params.get('reportingperiodenddatetime') |
|
| 40 | ||
| 41 | ################################################################################################################ |
|
| 42 | # Step 1: valid parameters |
|
| 43 | ################################################################################################################ |
|
| 44 | if virtual_meter_id is None: |
|
| 45 | raise falcon.HTTPError(falcon.HTTP_400, |
|
| 46 | title='API.BAD_REQUEST', |
|
| 47 | description='API.INVALID_VIRTUAL_METER_ID') |
|
| 48 | else: |
|
| 49 | virtual_meter_id = str.strip(virtual_meter_id) |
|
| 50 | if not virtual_meter_id.isdigit() or int(virtual_meter_id) <= 0: |
|
| 51 | raise falcon.HTTPError(falcon.HTTP_400, |
|
| 52 | title='API.BAD_REQUEST', |
|
| 53 | description='API.INVALID_VIRTUAL_METER_ID') |
|
| 54 | ||
| 55 | if period_type is None: |
|
| 56 | raise falcon.HTTPError(falcon.HTTP_400, title='API.BAD_REQUEST', description='API.INVALID_PERIOD_TYPE') |
|
| 57 | else: |
|
| 58 | period_type = str.strip(period_type) |
|
| 59 | if period_type not in ['hourly', 'daily', 'monthly', 'yearly']: |
|
| 60 | raise falcon.HTTPError(falcon.HTTP_400, title='API.BAD_REQUEST', description='API.INVALID_PERIOD_TYPE') |
|
| 61 | ||
| 62 | timezone_offset = int(config.utc_offset[1:3]) * 60 + int(config.utc_offset[4:6]) |
|
| 63 | if config.utc_offset[0] == '-': |
|
| 64 | timezone_offset = -timezone_offset |
|
| 65 | ||
| 66 | base_start_datetime_utc = None |
|
| 67 | if base_period_start_datetime_local is not None and len(str.strip(base_period_start_datetime_local)) > 0: |
|
| 68 | base_period_start_datetime_local = str.strip(base_period_start_datetime_local) |
|
| 69 | try: |
|
| 70 | base_start_datetime_utc = datetime.strptime(base_period_start_datetime_local, '%Y-%m-%dT%H:%M:%S') |
|
| 71 | except ValueError: |
|
| 72 | raise falcon.HTTPError(falcon.HTTP_400, title='API.BAD_REQUEST', |
|
| 73 | description="API.INVALID_BASE_PERIOD_START_DATETIME") |
|
| 74 | base_start_datetime_utc = base_start_datetime_utc.replace(tzinfo=timezone.utc) - \ |
|
| 75 | timedelta(minutes=timezone_offset) |
|
| 76 | ||
| 77 | base_end_datetime_utc = None |
|
| 78 | if base_period_end_datetime_local is not None and len(str.strip(base_period_end_datetime_local)) > 0: |
|
| 79 | base_period_end_datetime_local = str.strip(base_period_end_datetime_local) |
|
| 80 | try: |
|
| 81 | base_end_datetime_utc = datetime.strptime(base_period_end_datetime_local, '%Y-%m-%dT%H:%M:%S') |
|
| 82 | except ValueError: |
|
| 83 | raise falcon.HTTPError(falcon.HTTP_400, title='API.BAD_REQUEST', |
|
| 84 | description="API.INVALID_BASE_PERIOD_END_DATETIME") |
|
| 85 | base_end_datetime_utc = base_end_datetime_utc.replace(tzinfo=timezone.utc) - \ |
|
| 86 | timedelta(minutes=timezone_offset) |
|
| 87 | ||
| 88 | if base_start_datetime_utc is not None and base_end_datetime_utc is not None and \ |
|
| 89 | base_start_datetime_utc >= base_end_datetime_utc: |
|
| 90 | raise falcon.HTTPError(falcon.HTTP_400, title='API.BAD_REQUEST', |
|
| 91 | description='API.INVALID_BASE_PERIOD_END_DATETIME') |
|
| 92 | ||
| 93 | if reporting_period_start_datetime_local is None: |
|
| 94 | raise falcon.HTTPError(falcon.HTTP_400, title='API.BAD_REQUEST', |
|
| 95 | description="API.INVALID_REPORTING_PERIOD_START_DATETIME") |
|
| 96 | else: |
|
| 97 | reporting_period_start_datetime_local = str.strip(reporting_period_start_datetime_local) |
|
| 98 | try: |
|
| 99 | reporting_start_datetime_utc = datetime.strptime(reporting_period_start_datetime_local, |
|
| 100 | '%Y-%m-%dT%H:%M:%S') |
|
| 101 | except ValueError: |
|
| 102 | raise falcon.HTTPError(falcon.HTTP_400, title='API.BAD_REQUEST', |
|
| 103 | description="API.INVALID_REPORTING_PERIOD_START_DATETIME") |
|
| 104 | reporting_start_datetime_utc = reporting_start_datetime_utc.replace(tzinfo=timezone.utc) - \ |
|
| 105 | timedelta(minutes=timezone_offset) |
|
| 106 | ||
| 107 | if reporting_period_end_datetime_local is None: |
|
| 108 | raise falcon.HTTPError(falcon.HTTP_400, title='API.BAD_REQUEST', |
|
| 109 | description="API.INVALID_REPORTING_PERIOD_END_DATETIME") |
|
| 110 | else: |
|
| 111 | reporting_period_end_datetime_local = str.strip(reporting_period_end_datetime_local) |
|
| 112 | try: |
|
| 113 | reporting_end_datetime_utc = datetime.strptime(reporting_period_end_datetime_local, |
|
| 114 | '%Y-%m-%dT%H:%M:%S') |
|
| 115 | except ValueError: |
|
| 116 | raise falcon.HTTPError(falcon.HTTP_400, title='API.BAD_REQUEST', |
|
| 117 | description="API.INVALID_REPORTING_PERIOD_END_DATETIME") |
|
| 118 | reporting_end_datetime_utc = reporting_end_datetime_utc.replace(tzinfo=timezone.utc) - \ |
|
| 119 | timedelta(minutes=timezone_offset) |
|
| 120 | ||
| 121 | if reporting_start_datetime_utc >= reporting_end_datetime_utc: |
|
| 122 | raise falcon.HTTPError(falcon.HTTP_400, title='API.BAD_REQUEST', |
|
| 123 | description='API.INVALID_REPORTING_PERIOD_END_DATETIME') |
|
| 124 | ||
| 125 | ################################################################################################################ |
|
| 126 | # Step 2: query the virtual meter and energy category |
|
| 127 | ################################################################################################################ |
|
| 128 | cnx_system = mysql.connector.connect(**config.myems_system_db) |
|
| 129 | cursor_system = cnx_system.cursor() |
|
| 130 | ||
| 131 | cnx_energy = mysql.connector.connect(**config.myems_energy_db) |
|
| 132 | cursor_energy = cnx_energy.cursor() |
|
| 133 | ||
| 134 | cnx_billing = mysql.connector.connect(**config.myems_billing_db) |
|
| 135 | cursor_billing = cnx_billing.cursor() |
|
| 136 | ||
| 137 | cursor_system.execute(" SELECT m.id, m.name, m.cost_center_id, m.energy_category_id, " |
|
| 138 | " ec.name, ec.unit_of_measure, ec.kgce, ec.kgco2e " |
|
| 139 | " FROM tbl_virtual_meters m, tbl_energy_categories ec " |
|
| 140 | " WHERE m.id = %s AND m.energy_category_id = ec.id ", (virtual_meter_id,)) |
|
| 141 | row_virtual_meter = cursor_system.fetchone() |
|
| 142 | if row_virtual_meter is None: |
|
| 143 | if cursor_system: |
|
| 144 | cursor_system.close() |
|
| 145 | if cnx_system: |
|
| 146 | cnx_system.disconnect() |
|
| 147 | ||
| 148 | if cursor_energy: |
|
| 149 | cursor_energy.close() |
|
| 150 | if cnx_energy: |
|
| 151 | cnx_energy.disconnect() |
|
| 152 | ||
| 153 | if cursor_billing: |
|
| 154 | cursor_billing.close() |
|
| 155 | if cnx_billing: |
|
| 156 | cnx_billing.disconnect() |
|
| 157 | raise falcon.HTTPError(falcon.HTTP_404, title='API.NOT_FOUND', description='API.VIRTUAL_METER_NOT_FOUND') |
|
| 158 | ||
| 159 | virtual_meter = dict() |
|
| 160 | virtual_meter['id'] = row_virtual_meter[0] |
|
| 161 | virtual_meter['name'] = row_virtual_meter[1] |
|
| 162 | virtual_meter['cost_center_id'] = row_virtual_meter[2] |
|
| 163 | virtual_meter['energy_category_id'] = row_virtual_meter[3] |
|
| 164 | virtual_meter['energy_category_name'] = row_virtual_meter[4] |
|
| 165 | virtual_meter['unit_of_measure'] = config.currency_unit |
|
| 166 | virtual_meter['kgce'] = row_virtual_meter[6] |
|
| 167 | virtual_meter['kgco2e'] = row_virtual_meter[7] |
|
| 168 | ||
| 169 | ################################################################################################################ |
|
| 170 | # Step 3: query base period energy consumption |
|
| 171 | ################################################################################################################ |
|
| 172 | query = (" SELECT start_datetime_utc, actual_value " |
|
| 173 | " FROM tbl_virtual_meter_hourly " |
|
| 174 | " WHERE virtual_meter_id = %s " |
|
| 175 | " AND start_datetime_utc >= %s " |
|
| 176 | " AND start_datetime_utc < %s " |
|
| 177 | " ORDER BY start_datetime_utc ") |
|
| 178 | cursor_energy.execute(query, (virtual_meter['id'], base_start_datetime_utc, base_end_datetime_utc)) |
|
| 179 | rows_virtual_meter_hourly = cursor_energy.fetchall() |
|
| 180 | ||
| 181 | rows_virtual_meter_periodically = utilities.aggregate_hourly_data_by_period(rows_virtual_meter_hourly, |
|
| 182 | base_start_datetime_utc, |
|
| 183 | base_end_datetime_utc, |
|
| 184 | period_type) |
|
| 185 | base = dict() |
|
| 186 | base['timestamps'] = list() |
|
| 187 | base['values'] = list() |
|
| 188 | base['total_in_category'] = Decimal(0.0) |
|
| 189 | base['total_in_kgce'] = Decimal(0.0) |
|
| 190 | base['total_in_kgco2e'] = Decimal(0.0) |
|
| 191 | ||
| 192 | for row_virtual_meter_periodically in rows_virtual_meter_periodically: |
|
| 193 | current_datetime_local = row_virtual_meter_periodically[0].replace(tzinfo=timezone.utc) + \ |
|
| 194 | timedelta(minutes=timezone_offset) |
|
| 195 | if period_type == 'hourly': |
|
| 196 | current_datetime = current_datetime_local.strftime('%Y-%m-%dT%H:%M:%S') |
|
| 197 | elif period_type == 'daily': |
|
| 198 | current_datetime = current_datetime_local.strftime('%Y-%m-%d') |
|
| 199 | elif period_type == 'monthly': |
|
| 200 | current_datetime = current_datetime_local.strftime('%Y-%m') |
|
| 201 | elif period_type == 'yearly': |
|
| 202 | current_datetime = current_datetime_local.strftime('%Y') |
|
| 203 | ||
| 204 | actual_value = Decimal(0.0) if row_virtual_meter_periodically[1] is None \ |
|
| 205 | else row_virtual_meter_periodically[1] |
|
| 206 | base['timestamps'].append(current_datetime) |
|
| 207 | base['total_in_kgce'] += actual_value * virtual_meter['kgce'] |
|
| 208 | base['total_in_kgco2e'] += actual_value * virtual_meter['kgco2e'] |
|
| 209 | ||
| 210 | ################################################################################################################ |
|
| 211 | # Step 4: query base period energy cost |
|
| 212 | ################################################################################################################ |
|
| 213 | query = (" SELECT start_datetime_utc, actual_value " |
|
| 214 | " FROM tbl_virtual_meter_hourly " |
|
| 215 | " WHERE virtual_meter_id = %s " |
|
| 216 | " AND start_datetime_utc >= %s " |
|
| 217 | " AND start_datetime_utc < %s " |
|
| 218 | " ORDER BY start_datetime_utc ") |
|
| 219 | cursor_billing.execute(query, (virtual_meter['id'], base_start_datetime_utc, base_end_datetime_utc)) |
|
| 220 | rows_virtual_meter_hourly = cursor_billing.fetchall() |
|
| 221 | ||
| 222 | rows_virtual_meter_periodically = utilities.aggregate_hourly_data_by_period(rows_virtual_meter_hourly, |
|
| 223 | base_start_datetime_utc, |
|
| 224 | base_end_datetime_utc, |
|
| 225 | period_type) |
|
| 226 | ||
| 227 | base['values'] = list() |
|
| 228 | base['total_in_category'] = Decimal(0.0) |
|
| 229 | ||
| 230 | for row_virtual_meter_periodically in rows_virtual_meter_periodically: |
|
| 231 | actual_value = Decimal(0.0) if row_virtual_meter_periodically[1] is None \ |
|
| 232 | else row_virtual_meter_periodically[1] |
|
| 233 | base['values'].append(actual_value) |
|
| 234 | base['total_in_category'] += actual_value |
|
| 235 | ||
| 236 | ################################################################################################################ |
|
| 237 | # Step 5: query reporting period energy consumption |
|
| 238 | ################################################################################################################ |
|
| 239 | query = (" SELECT start_datetime_utc, actual_value " |
|
| 240 | " FROM tbl_virtual_meter_hourly " |
|
| 241 | " WHERE virtual_meter_id = %s " |
|
| 242 | " AND start_datetime_utc >= %s " |
|
| 243 | " AND start_datetime_utc < %s " |
|
| 244 | " ORDER BY start_datetime_utc ") |
|
| 245 | cursor_billing.execute(query, (virtual_meter['id'], reporting_start_datetime_utc, reporting_end_datetime_utc)) |
|
| 246 | rows_virtual_meter_hourly = cursor_billing.fetchall() |
|
| 247 | ||
| 248 | rows_virtual_meter_periodically = utilities.aggregate_hourly_data_by_period(rows_virtual_meter_hourly, |
|
| 249 | reporting_start_datetime_utc, |
|
| 250 | reporting_end_datetime_utc, |
|
| 251 | period_type) |
|
| 252 | reporting = dict() |
|
| 253 | reporting['timestamps'] = list() |
|
| 254 | reporting['values'] = list() |
|
| 255 | reporting['total_in_category'] = Decimal(0.0) |
|
| 256 | reporting['total_in_kgce'] = Decimal(0.0) |
|
| 257 | reporting['total_in_kgco2e'] = Decimal(0.0) |
|
| 258 | ||
| 259 | for row_virtual_meter_periodically in rows_virtual_meter_periodically: |
|
| 260 | current_datetime_local = row_virtual_meter_periodically[0].replace(tzinfo=timezone.utc) + \ |
|
| 261 | timedelta(minutes=timezone_offset) |
|
| 262 | if period_type == 'hourly': |
|
| 263 | current_datetime = current_datetime_local.strftime('%Y-%m-%dT%H:%M:%S') |
|
| 264 | elif period_type == 'daily': |
|
| 265 | current_datetime = current_datetime_local.strftime('%Y-%m-%d') |
|
| 266 | elif period_type == 'monthly': |
|
| 267 | current_datetime = current_datetime_local.strftime('%Y-%m') |
|
| 268 | elif period_type == 'yearly': |
|
| 269 | current_datetime = current_datetime_local.strftime('%Y') |
|
| 270 | ||
| 271 | actual_value = Decimal(0.0) if row_virtual_meter_periodically[1] is None \ |
|
| 272 | else row_virtual_meter_periodically[1] |
|
| 273 | ||
| 274 | reporting['timestamps'].append(current_datetime) |
|
| 275 | reporting['total_in_kgce'] += actual_value * virtual_meter['kgce'] |
|
| 276 | reporting['total_in_kgco2e'] += actual_value * virtual_meter['kgco2e'] |
|
| 277 | ||
| 278 | ################################################################################################################ |
|
| 279 | # Step 6: query reporting period energy cost |
|
| 280 | ################################################################################################################ |
|
| 281 | query = (" SELECT start_datetime_utc, actual_value " |
|
| 282 | " FROM tbl_virtual_meter_hourly " |
|
| 283 | " WHERE virtual_meter_id = %s " |
|
| 284 | " AND start_datetime_utc >= %s " |
|
| 285 | " AND start_datetime_utc < %s " |
|
| 286 | " ORDER BY start_datetime_utc ") |
|
| 287 | cursor_billing.execute(query, (virtual_meter['id'], reporting_start_datetime_utc, reporting_end_datetime_utc)) |
|
| 288 | rows_virtual_meter_hourly = cursor_billing.fetchall() |
|
| 289 | ||
| 290 | rows_virtual_meter_periodically = utilities.aggregate_hourly_data_by_period(rows_virtual_meter_hourly, |
|
| 291 | reporting_start_datetime_utc, |
|
| 292 | reporting_end_datetime_utc, |
|
| 293 | period_type) |
|
| 294 | ||
| 295 | for row_virtual_meter_periodically in rows_virtual_meter_periodically: |
|
| 296 | actual_value = Decimal(0.0) if row_virtual_meter_periodically[1] is None \ |
|
| 297 | else row_virtual_meter_periodically[1] |
|
| 298 | ||
| 299 | reporting['values'].append(actual_value) |
|
| 300 | reporting['total_in_category'] += actual_value |
|
| 301 | ||
| 302 | ################################################################################################################ |
|
| 303 | # Step 7: query tariff data |
|
| 304 | ################################################################################################################ |
|
| 305 | parameters_data = dict() |
|
| 306 | parameters_data['names'] = list() |
|
| 307 | parameters_data['timestamps'] = list() |
|
| 308 | parameters_data['values'] = list() |
|
| 309 | ||
| 310 | tariff_dict = utilities.get_energy_category_tariffs(virtual_meter['cost_center_id'], |
|
| 311 | virtual_meter['energy_category_id'], |
|
| 312 | reporting_start_datetime_utc, |
|
| 313 | reporting_end_datetime_utc) |
|
| 314 | tariff_timestamp_list = list() |
|
| 315 | tariff_value_list = list() |
|
| 316 | for k, v in tariff_dict.items(): |
|
| 317 | # convert k from utc to local |
|
| 318 | k = k + timedelta(minutes=timezone_offset) |
|
| 319 | tariff_timestamp_list.append(k.isoformat()[0:19]) |
|
| 320 | tariff_value_list.append(v) |
|
| 321 | ||
| 322 | parameters_data['names'].append('TARIFF-' + virtual_meter['energy_category_name']) |
|
| 323 | parameters_data['timestamps'].append(tariff_timestamp_list) |
|
| 324 | parameters_data['values'].append(tariff_value_list) |
|
| 325 | ||
| 326 | ################################################################################################################ |
|
| 327 | # Step 8: construct the report |
|
| 328 | ################################################################################################################ |
|
| 329 | if cursor_system: |
|
| 330 | cursor_system.close() |
|
| 331 | if cnx_system: |
|
| 332 | cnx_system.disconnect() |
|
| 333 | ||
| 334 | if cursor_energy: |
|
| 335 | cursor_energy.close() |
|
| 336 | if cnx_energy: |
|
| 337 | cnx_energy.disconnect() |
|
| 338 | ||
| 339 | if cursor_billing: |
|
| 340 | cursor_billing.close() |
|
| 341 | if cnx_billing: |
|
| 342 | cnx_billing.disconnect() |
|
| 343 | ||
| 344 | result = { |
|
| 345 | "virtual_meter": { |
|
| 346 | "cost_center_id": virtual_meter['cost_center_id'], |
|
| 347 | "energy_category_id": virtual_meter['energy_category_id'], |
|
| 348 | "energy_category_name": virtual_meter['energy_category_name'], |
|
| 349 | "unit_of_measure": config.currency_unit, |
|
| 350 | "kgce": virtual_meter['kgce'], |
|
| 351 | "kgco2e": virtual_meter['kgco2e'], |
|
| 352 | }, |
|
| 353 | "base_period": { |
|
| 354 | "total_in_category": base['total_in_category'], |
|
| 355 | "total_in_kgce": base['total_in_kgce'], |
|
| 356 | "total_in_kgco2e": base['total_in_kgco2e'], |
|
| 357 | "timestamps": base['timestamps'], |
|
| 358 | "values": base['values'], |
|
| 359 | }, |
|
| 360 | "reporting_period": { |
|
| 361 | "increment_rate": |
|
| 362 | (reporting['total_in_category'] - base['total_in_category']) / base['total_in_category'] |
|
| 363 | if base['total_in_category'] > 0 else None, |
|
| 364 | "total_in_category": reporting['total_in_category'], |
|
| 365 | "total_in_kgce": reporting['total_in_kgce'], |
|
| 366 | "total_in_kgco2e": reporting['total_in_kgco2e'], |
|
| 367 | "timestamps": reporting['timestamps'], |
|
| 368 | "values": reporting['values'], |
|
| 369 | }, |
|
| 370 | "parameters": { |
|
| 371 | "names": parameters_data['names'], |
|
| 372 | "timestamps": parameters_data['timestamps'], |
|
| 373 | "values": parameters_data['values'] |
|
| 374 | }, |
|
| 375 | } |
|
| 376 | ||
| 377 | # export result to Excel file and then encode the file to base64 string |
|
| 378 | result['excel_bytes_base64'] = \ |
|
| 379 | excelexporters.virtualmetercost.export(result, |
|
| 380 | virtual_meter['name'], |
|
| 381 | reporting_period_start_datetime_local, |
|
| 382 | reporting_period_end_datetime_local, |
|
| 383 | period_type) |
|
| 384 | ||
| 385 | resp.body = json.dumps(result) |
|
| 386 | ||
