diff --git a/src/index.js b/src/index.js
index 4bb82b0d60b18fdb96746c2a024e6247fb70d237..80f2fc3c6a1057c737da7a4ac2afdfaf276ce086 100644
--- a/src/index.js
+++ b/src/index.js
@@ -5,25 +5,25 @@ const {
   hydrateAndFilter,
   errors,
   cozyClient
-} = require("cozy-konnector-libs");
+} = require('cozy-konnector-libs')
 
-const getAccountId = require("./helpers/getAccountId");
+const getAccountId = require('./helpers/getAccountId')
 
-const moment = require("moment");
-const rp = require("request-promise");
-require("moment-timezone");
+const moment = require('moment')
+const rp = require('request-promise')
+require('moment-timezone')
 
-moment.locale("fr"); // set the language
-moment.tz.setDefault("Europe/Paris"); // set the timezone
+moment.locale('fr') // set the language
+moment.tz.setDefault('Europe/Paris') // set the timezone
 
 /*** Connector Constants ***/
-const startDailyDate = moment().subtract(32, "month");
-const startDailyDateString = startDailyDate.format("YYYY-MM-DD");
-const startLoadDate = moment().subtract(7, "day");
-const startLoadDateString = startLoadDate.format("YYYY-MM-DD");
-const endDate = moment();
-const endDateString = endDate.format("YYYY-MM-DD");
-const baseUrl = "https://gw.prd.api.enedis.fr";
+const startDailyDate = moment().subtract(32, 'month')
+const startDailyDateString = startDailyDate.format('YYYY-MM-DD')
+const startLoadDate = moment().subtract(7, 'day')
+const startLoadDateString = startLoadDate.format('YYYY-MM-DD')
+const endDate = moment()
+const endDateString = endDate.format('YYYY-MM-DD')
+const baseUrl = 'https://gw.prd.api.enedis.fr'
 
 /**
  * The start function is run by the BaseKonnector instance only when it got all the account
@@ -38,67 +38,67 @@ const baseUrl = "https://gw.prd.api.enedis.fr";
  * @param {boolean} doRetry - whether we should use the refresh token or not
  */
 async function start(fields, cozyParameters, doRetry = true) {
-  log("info", "Starting the enedis konnector");
-  const accountId = getAccountId();
+  log('info', 'Starting the enedis konnector')
+  const accountId = getAccountId()
   try {
-    const { access_token } = fields;
-    let usage_point_id = "";
+    const { access_token } = fields
+    let usage_point_id = ''
     if (
       this._account &&
       this._account.oauth_callback_results &&
       this._account.oauth_callback_results.usage_points_id
     ) {
       const usage_points_id = this._account.oauth_callback_results.usage_points_id.split(
-        ","
-      );
-      usage_point_id = usage_points_id[0];
+        ','
+      )
+      usage_point_id = usage_points_id[0]
     } else {
-      log("error", "no usage_point_id found");
-      throw errors.USER_ACTION_NEEDED_OAUTH_OUTDATED;
+      log('error', 'no usage_point_id found')
+      throw errors.USER_ACTION_NEEDED_OAUTH_OUTDATED
     }
 
-    log("info", "Fetching enedis daily data");
-    const fetchedDailyData = await getDailyData(access_token, usage_point_id);
-    log("info", "Process enedis daily data");
+    log('info', 'Fetching enedis daily data')
+    const fetchedDailyData = await getDailyData(access_token, usage_point_id)
+    log('info', 'Process enedis daily data')
     const processedDailyData = await processData(
       fetchedDailyData,
-      "com.grandlyon.enedis.day",
-      ["year", "month", "day"]
-    );
-    log("info", "Agregate enedis daily data for month and year");
-    await agregateMonthAndYearData(processedDailyData);
+      'com.grandlyon.enedis.day',
+      ['year', 'month', 'day']
+    )
+    log('info', 'Agregate enedis daily data for month and year')
+    await agregateMonthAndYearData(processedDailyData)
 
-    log("info", "Process enedis load data");
-    await startLoadDataProcess(access_token, usage_point_id);
+    log('info', 'Process enedis load data')
+    await startLoadDataProcess(access_token, usage_point_id)
   } catch (err) {
     if (err.statusCode === 403 || err.code === 403) {
       if (!fields.refresh_token) {
-        log("info", "no refresh token found");
-        throw errors.USER_ACTION_NEEDED_OAUTH_OUTDATED;
+        log('info', 'no refresh token found')
+        throw errors.USER_ACTION_NEEDED_OAUTH_OUTDATED
       } else if (doRetry) {
-        log("info", "asking refresh from the stack");
-        let body;
+        log('info', 'asking refresh from the stack')
+        let body
         try {
           body = await cozyClient.fetchJSON(
-            "POST",
+            'POST',
             `/accounts/enedisgrandlyon/${accountId}/refresh`
-          );
+          )
         } catch (err) {
-          log("info", `Error during refresh ${err.message}`);
-          throw errors.USER_ACTION_NEEDED_OAUTH_OUTDATED;
+          log('info', `Error during refresh ${err.message}`)
+          throw errors.USER_ACTION_NEEDED_OAUTH_OUTDATED
         }
 
-        log("info", "refresh response");
-        log("info", JSON.stringify(body));
-        fields.access_token = body.attributes.oauth.access_token;
-        return start(fields, cozyParameters, false);
+        log('info', 'refresh response')
+        log('info', JSON.stringify(body))
+        fields.access_token = body.attributes.oauth.access_token
+        return start(fields, cozyParameters, false)
       }
-      log("error", `Error during authentication: ${err.message}`);
-      throw errors.VENDOR_DOWN;
+      log('error', `Error during authentication: ${err.message}`)
+      throw errors.VENDOR_DOWN
     } else {
-      log("error", "caught an unexpected error");
-      log("error", err.message);
-      throw errors.VENDOR_DOWN;
+      log('error', 'caught an unexpected error')
+      log('error', err.message)
+      throw errors.VENDOR_DOWN
     }
   }
 }
@@ -109,22 +109,22 @@ async function start(fields, cozyParameters, doRetry = true) {
  */
 async function getDailyData(token, usagePointID) {
   const dataRequest = {
-    method: "GET",
+    method: 'GET',
     uri:
       baseUrl +
-      "/v4/metering_data/daily_consumption?start=" +
+      '/v4/metering_data/daily_consumption?start=' +
       startDailyDateString +
-      "&end=" +
+      '&end=' +
       endDateString +
-      "&usage_point_id=" +
+      '&usage_point_id=' +
       usagePointID,
     headers: {
-      Accept: "application/json",
-      Authorization: "Bearer " + token
+      Accept: 'application/json',
+      Authorization: 'Bearer ' + token
     }
-  };
-  const response = await rp(dataRequest);
-  return response;
+  }
+  const response = await rp(dataRequest)
+  return response
 }
 
 /**
@@ -133,27 +133,29 @@ async function getDailyData(token, usagePointID) {
  * If yes only call once the api
  */
 async function startLoadDataProcess(token, usagePointID) {
-  log("info", "Check history");
-  const isHistory = await isHistoryLoaded("com.grandlyon.enedis.minute");
+  log('info', 'Check history')
+  const isHistory = await isHistoryLoaded('com.grandlyon.enedis.minute')
   if (isHistory) {
-    log("info", "launch process without history");
+    log('info', 'launch process without history')
     await launchLoadDataProcess(
       token,
       usagePointID,
       startLoadDateString,
       endDateString
-    );
+    )
   } else {
-    log("info", "launch process with history");
-    const increamentedStartDate = startLoadDate;
-    const incrementedEndDate = endDate;
+    log('info', 'launch process with history')
     for (var i = 0; i < 4; i++) {
+      const increamentedStartDate = moment(startLoadDate)
+      const incrementedEndDate = moment(endDate)
+      const increamentedStartDateString = increamentedStartDate.subtract(7 * i, 'day').format('YYYY-MM-DD')
+      const incrementedEndDateString = incrementedEndDate.subtract(7 * i, 'day').format('YYYY-MM-DD')
       await launchLoadDataProcess(
         token,
         usagePointID,
-        increamentedStartDate.subtract(7 * i, "day").format("YYYY-MM-DD"),
-        incrementedEndDate.subtract(7 * i, "day").format("YYYY-MM-DD")
-      );
+        increamentedStartDateString,
+        incrementedEndDateString
+      )
     }
   }
 }
@@ -167,24 +169,24 @@ async function launchLoadDataProcess(
   _startLoadDate,
   _endDate
 ) {
-  log("info", "Fetching enedis load data");
+  log('info', 'Fetching enedis load data')
   const fetchedLoadData = await getLoadData(
     token,
     usagePointID,
     _startLoadDate,
     _endDate
-  );
+  )
   if (fetchedLoadData && fetchedLoadData.length > 0) {
-    log("info", "Process enedis load data");
+    log('info', 'Process enedis load data')
     const processedLoadData = await processData(
       fetchedLoadData,
-      "com.grandlyon.enedis.minute",
-      ["year", "month", "day", "hour", "minute"]
-    );
-    log("info", "Agregate enedis load data for hour");
-    await agregateHourlyData(processedLoadData);
+      'com.grandlyon.enedis.minute',
+      ['year', 'month', 'day', 'hour', 'minute']
+    )
+    log('info', 'Agregate enedis load data for hour')
+    await agregateHourlyData(processedLoadData)
   } else {
-    log("info", "No consent or data for load curve");
+    log('info', 'No consent or data for load curve')
   }
 }
 
@@ -194,31 +196,31 @@ async function launchLoadDataProcess(
  */
 async function getLoadData(token, usagePointID, _startDate, _endDate) {
   const dataRequest = {
-    method: "GET",
+    method: 'GET',
     uri:
       baseUrl +
-      "/v4/metering_data/consumption_load_curve?start=" +
+      '/v4/metering_data/consumption_load_curve?start=' +
       _startDate +
-      "&end=" +
+      '&end=' +
       _endDate +
-      "&usage_point_id=" +
+      '&usage_point_id=' +
       usagePointID,
     headers: {
-      Accept: "application/json",
-      Authorization: "Bearer " + token
+      Accept: 'application/json',
+      Authorization: 'Bearer ' + token
     }
-  };
+  }
   try {
-    const response = await rp(dataRequest);
-    return response;
+    const response = await rp(dataRequest)
+    return response
   } catch (err) {
     if (err.statusCode === 404 || err.code === 404) {
-      log("warning", "caught an 404 error");
-      log("warning", err.message);
-      log("warning", err);
-      return null;
+      log('warning', 'caught an 404 error')
+      log('warning', err.message)
+      log('warning', err)
+      return null
     } else {
-      throw err;
+      throw err
     }
   }
 }
@@ -230,16 +232,16 @@ async function getLoadData(token, usagePointID, _startDate, _endDate) {
  * Return the list of filtered data
  */
 async function processData(data, doctype, filterKeys) {
-  const parsedData = JSON.parse(data);
-  const intervalData = parsedData.meter_reading.interval_reading;
-  const formatedData = await formateData(intervalData, doctype);
+  const parsedData = JSON.parse(data)
+  const intervalData = parsedData.meter_reading.interval_reading
+  const formatedData = await formateData(intervalData, doctype)
   // Remove data for existing days into the DB
   const filteredData = await hydrateAndFilter(formatedData, doctype, {
     keys: filterKeys
-  });
+  })
   // Store new day data
-  await storeData(filteredData, doctype, filterKeys);
-  return filteredData;
+  await storeData(filteredData, doctype, filterKeys)
+  return filteredData
 }
 
 /**
@@ -248,31 +250,31 @@ async function processData(data, doctype, filterKeys) {
 async function agregateMonthAndYearData(data) {
   // Sum year and month values into object with year or year-month as keys
   if (data && data.length > 0) {
-    let monthData = {};
-    let yearData = {};
+    let monthData = {}
+    let yearData = {}
     data.forEach(element => {
-      element.year + "-" + element.month in monthData
-        ? (monthData[element.year + "-" + element.month] += element.load)
-        : (monthData[element.year + "-" + element.month] = element.load);
+      element.year + '-' + element.month in monthData
+        ? (monthData[element.year + '-' + element.month] += element.load)
+        : (monthData[element.year + '-' + element.month] = element.load)
       element.year in yearData
         ? (yearData[element.year] += element.load)
-        : (yearData[element.year] = element.load);
-    });
+        : (yearData[element.year] = element.load)
+    })
     // Agregation for Month data
     const agregatedMonthData = await buildAgregatedData(
       monthData,
-      "com.grandlyon.enedis.month"
-    );
-    await storeData(agregatedMonthData, "com.grandlyon.enedis.month", [
-      "year",
-      "month"
-    ]);
+      'com.grandlyon.enedis.month'
+    )
+    await storeData(agregatedMonthData, 'com.grandlyon.enedis.month', [
+      'year',
+      'month'
+    ])
     // Agregation for Year data
     const agregatedYearData = await buildAgregatedData(
       yearData,
-      "com.grandlyon.enedis.year"
-    );
-    await storeData(agregatedYearData, "com.grandlyon.enedis.year", ["year"]);
+      'com.grandlyon.enedis.year'
+    )
+    await storeData(agregatedYearData, 'com.grandlyon.enedis.year', ['year'])
   }
 }
 
@@ -282,31 +284,31 @@ async function agregateMonthAndYearData(data) {
 async function agregateHourlyData(data) {
   // Sum year and month values into object with year or year-month as keys
   if (data && data.length > 0) {
-    let hourData = {};
+    let hourData = {}
     data.forEach(element => {
       let key =
         element.year +
-        "-" +
+        '-' +
         element.month +
-        "-" +
+        '-' +
         element.day +
-        "-" +
-        element.hour;
+        '-' +
+        element.hour
       key in hourData
         ? (hourData[key] += element.load)
-        : (hourData[key] = element.load);
-    });
+        : (hourData[key] = element.load)
+    })
     // Agregation for Month data
     const agregatedMonthData = await buildAgregatedData(
       hourData,
-      "com.grandlyon.enedis.hour"
-    );
-    await storeData(agregatedMonthData, "com.grandlyon.enedis.hour", [
-      "year",
-      "month",
-      "day",
-      "hour"
-    ]);
+      'com.grandlyon.enedis.hour'
+    )
+    await storeData(agregatedMonthData, 'com.grandlyon.enedis.hour', [
+      'year',
+      'month',
+      'day',
+      'hour'
+    ])
   }
 }
 
@@ -314,11 +316,11 @@ async function agregateHourlyData(data) {
  * Save data in the right doctype db and prevent duplicated keys
  */
 async function storeData(data, doctype, filterKeys) {
-  log("debug", doctype, "Store into");
+  log('debug', doctype, 'Store into')
   const filteredDocuments = await hydrateAndFilter(data, doctype, {
     keys: filterKeys
-  });
-  return await addData(filteredDocuments, doctype);
+  })
+  return await addData(filteredDocuments, doctype)
 }
 
 /**
@@ -326,27 +328,27 @@ async function storeData(data, doctype, filterKeys) {
  * Remove bad data
  */
 async function formateData(data, doctype) {
-  log("info", "Formating data");
+  log('info', 'Formating data')
   return data.map(record => {
-    let date = moment(record.date, "YYYY/MM/DD h:mm:ss");
+    let date = moment(record.date, 'YYYY/MM/DD h:mm:ss')
     if (record.value != -2) {
       const load =
-        doctype === "com.grandlyon.enedis.minute"
+        doctype === 'com.grandlyon.enedis.minute'
           ? record.value / 2
-          : record.value;
-      if (doctype === "com.grandlyon.enedis.minute") {
-        date = date.subtract(30, "minute");
+          : record.value
+      if (doctype === 'com.grandlyon.enedis.minute') {
+        date = date.subtract(30, 'minute')
       }
       return {
         load: parseFloat(load / 1000),
-        year: parseInt(date.format("YYYY")),
-        month: parseInt(date.format("M")),
-        day: parseInt(date.format("D")),
-        hour: parseInt(date.format("H")),
-        minute: parseInt(date.format("m"))
-      };
+        year: parseInt(date.format('YYYY')),
+        month: parseInt(date.format('M')),
+        day: parseInt(date.format('D')),
+        hour: parseInt(date.format('H')),
+        minute: parseInt(date.format('m'))
+      }
     }
-  });
+  })
 }
 
 /**
@@ -354,14 +356,14 @@ async function formateData(data, doctype) {
  * Return an Array of agregated data
  */
 async function buildAgregatedData(data, doctype) {
-  let agregatedData = [];
+  let agregatedData = []
   for (let [key, value] of Object.entries(data)) {
-    const data = await buildDataFromKey(doctype, key, value);
-    const oldValue = await resetInProgressAggregatedData(data, doctype);
-    data.load += oldValue;
-    agregatedData.push(data);
+    const data = await buildDataFromKey(doctype, key, value)
+    const oldValue = await resetInProgressAggregatedData(data, doctype)
+    data.load += oldValue
+    agregatedData.push(data)
   }
-  return agregatedData;
+  return agregatedData
 }
 
 /**
@@ -371,24 +373,24 @@ async function buildAgregatedData(data, doctype) {
  * For month doctype: key = "YYYY-MM"
  */
 async function buildDataFromKey(doctype, key, value) {
-  let year, month, day, hour;
-  if (doctype === "com.grandlyon.enedis.year") {
-    year = key;
-    month = 1;
-    day = 0;
-    hour = 0;
-  } else if (doctype === "com.grandlyon.enedis.month") {
-    const split = key.split("-");
-    year = split[0];
-    month = split[1];
-    day = 0;
-    hour = 0;
+  let year, month, day, hour
+  if (doctype === 'com.grandlyon.enedis.year') {
+    year = key
+    month = 1
+    day = 0
+    hour = 0
+  } else if (doctype === 'com.grandlyon.enedis.month') {
+    const split = key.split('-')
+    year = split[0]
+    month = split[1]
+    day = 0
+    hour = 0
   } else {
-    const split = key.split("-");
-    year = split[0];
-    month = split[1];
-    day = split[2];
-    hour = split[3];
+    const split = key.split('-')
+    year = split[0]
+    month = split[1]
+    day = split[2]
+    hour = split[3]
   }
   return {
     load: Math.round(value * 10000) / 10000,
@@ -397,30 +399,30 @@ async function buildDataFromKey(doctype, key, value) {
     day: parseInt(day),
     hour: parseInt(hour),
     minute: 0
-  };
+  }
 }
 
 /**
  * Function checking if the history is loaded
  */
 async function isHistoryLoaded(doctype) {
-  log("debug", doctype, "Retrieve data");
-  const result = await cozyClient.data.findAll(doctype);
+  log('debug', doctype, 'Retrieve data')
+  const result = await cozyClient.data.findAll(doctype)
   if (result && result.length > 0) {
     const filtered = result.filter(function(el) {
       return (
         el.year <= startLoadDate.year &&
         el.month <= startLoadDate.month &&
         el.day <= startLoadDate.day
-      );
-    });
+      )
+    })
     if (filtered.length > 0) {
-      return false;
+      return false
     } else {
-      return true;
+      return true
     }
   }
-  return false;
+  return false
 }
 
 /**
@@ -432,21 +434,21 @@ async function isHistoryLoaded(doctype) {
  */
 async function resetInProgressAggregatedData(data, doctype) {
   // /!\ Warning: cannot use mongo queries because not supported for dev by cozy-konnectors-libs
-  log("debug", doctype, "Remove aggregated data for");
-  const result = await cozyClient.data.findAll(doctype);
+  log('debug', doctype, 'Remove aggregated data for')
+  const result = await cozyClient.data.findAll(doctype)
   if (result && result.length > 0) {
     // Filter data to remove
-    var filtered = [];
-    if (doctype === "com.grandlyon.enedis.year") {
+    var filtered = []
+    if (doctype === 'com.grandlyon.enedis.year') {
       // Yearly case
       filtered = result.filter(function(el) {
-        return el.year == data.year;
-      });
-    } else if (doctype === "com.grandlyon.enedis.month") {
+        return el.year == data.year
+      })
+    } else if (doctype === 'com.grandlyon.enedis.month') {
       // Monthly case
       filtered = result.filter(function(el) {
-        return el.year == data.year && el.month == data.month;
-      });
+        return el.year == data.year && el.month == data.month
+      })
     } else {
       // Hourly case
       filtered = result.filter(function(el) {
@@ -455,19 +457,19 @@ async function resetInProgressAggregatedData(data, doctype) {
           el.month == data.month &&
           el.day == data.day &&
           el.hour == data.hour
-        );
-      });
+        )
+      })
     }
     // Remove data
-    let sum = 0.0;
+    let sum = 0.0
     for (const doc of filtered) {
-      sum += doc.load;
-      log("debug", doc, "Removing this entry for " + doctype);
-      await cozyClient.data.delete(doctype, doc);
+      sum += doc.load
+      log('debug', doc, 'Removing this entry for ' + doctype)
+      await cozyClient.data.delete(doctype, doc)
     }
-    return sum;
+    return sum
   }
-  return 0.0;
+  return 0.0
 }
 
-module.exports = new BaseKonnector(start);
+module.exports = new BaseKonnector(start)