views.json

{
  "_id": "_design/api",
  "views": {
    "daily_consumption": {
      "map": "function(doc) {\n  if (doc.energy_data) {\n    var firstPower = null;\n    var lastPower = null;\n    var kwh;\n    for (var i = 0; i < doc.energy_data.length; i++) {\n      kwh = doc.energy_data[i].kwh;\n      if (kwh !== null) {\n        if (firstPower === null) {\n          firstPower = kwh;\n          break;\n        }\n      }\n    }\n    for (i = doc.energy_data.length - 1; i >= 0; i--) {\n      kwh = doc.energy_data[i].kwh;\n      if (kwh !== null) {\n        lastPower = kwh;\n        break;\n      }\n    }\n    if (firstPower !== null && lastPower !== null) {\n      emit(doc.date, lastPower - firstPower);\n    }\n  }\n}\n",
      "reduce": "_sum"
    },
    "last_energy_data_record": {
      "map": "function (doc) {\n  if (doc.energy_data && doc.energy_data.length > 0) {\n    emit(doc.date, doc.energy_data[doc.energy_data.length - 1]);\n  }\n}\n"
    },
    "lower_res": {
      "map": "function(doc) {\n  if (doc.date && doc.energy_data) {\n    var numDataPoints = doc.energy_data.length;\n    var originalSamplingRate = doc.energy_data[1].timestamp - doc.energy_data[0].timestamp; // Original sampling rate in seconds\n    var targetSamplingRate = 120; // Target sampling rate in seconds\n\n    var downsampleFactor = Math.ceil(targetSamplingRate / originalSamplingRate);\n\n    var lower_resolution_data = [];\n\n    for (var i = 0; i < numDataPoints; i += downsampleFactor) {\n      lower_resolution_data.push(doc.energy_data[i]);\n    }\n    \n    var response = {\n      \"date\": doc.date,\n      \"energy_data\": lower_resolution_data\n    };\n\n    emit(doc._id, response);\n  }\n}\n"
    },
    "pred_consumption": {
      "map": "function(doc) {\n  if (doc.energy_data) {\n    var consumption = {};\n    var timeIntervalSeconds = doc.energy_data[1].timestamp - doc.energy_data[0].timestamp; // Time interval in seconds\n    var timeIntervalHours = timeIntervalSeconds / 3600; // Convert seconds to hours\n    for (var i = 0; i < doc.energy_data.length; i++) {\n      var record = doc.energy_data[i];\n      for (var key in record) {\n        if (key.startsWith(\"pred_\") || key === 'noise') {\n          var power = record[key];\n          if (power !== null) {\n            if (!consumption[key]) {\n              consumption[key] = 0;\n            }\n            consumption[key] += (power * timeIntervalHours) / 1000; // Convert watts to kilowatt-hours\n          }\n        }\n      }\n    }\n    \n    var firstPower = null;\n    var lastPower = null;\n    var kwh;\n    for (var i = 0; i < doc.energy_data.length; i++) {\n      kwh = doc.energy_data[i].kwh;\n      if (kwh !== null) {\n        if (firstPower === null) {\n          firstPower = kwh;\n          break;\n        }\n      }\n    }\n    for (i = doc.energy_data.length - 1; i >= 0; i--) {\n      kwh = doc.energy_data[i].kwh;\n      if (kwh !== null) {\n        lastPower = kwh;\n        break;\n      }\n    }\n    if (firstPower !== null && lastPower !== null) {\n      consumption['real_consumption'] =  lastPower - firstPower;\n    }\n  \n    \n    emit(doc._id, consumption);\n  }\n}\n",
      "reduce": "_sum"
    }
  },
  "language": "javascript"
}