Easee EV Charger

[tomnord]

Code:

-- Load modules
require('json')
require('ssl.https')
require('ltn12')

-- Set credentials for Easee API
ChargerID = storage.get('EaseeAPI_ChargerID')
API_Token = storage.get('EaseeAPI_Token')  --reads API Token from storage, The token is fetched from scheduled script: "Easee_Authenticate"
--log(ChargerID)


function RequestFromEasee(request)
  request_url = 'https://api.easee.cloud/api/' .. request
  local response_body = {}
  local request_body = ""
  local body, code, hdrs, stat = ssl.https.request{
    url = request_url;
    method = "GET";
    headers =
    {
      ["Content-Type"] = "application/json";
      ["Authorization"] = "Bearer " .. API_Token;
    };
    source = ltn12.source.string(request_body);
    sink = ltn12.sink.table(response_body);
  }
  log(code)
  if code == 200 then
    ret = table.concat(response_body)
    ret = json.pdecode(ret)
    return ret
  else
    --API_Token = GetToken() -- request a new token
  end

end


-- Get products, run once to get charger ID
if ChargerID == nil then
chargers = RequestFromEasee('chargers')
Easee_ChargerID = chargers[1]["id"]
--log(Easee_ChargerID, 'ID') -- Check here for your charger ID
storage.set('EaseeAPI_ChargerID', Easee_ChargerID)

end

ChargerState = RequestFromEasee('chargers/' .. ChargerID  .. '/state')
log(ChargerState)
currentChargePower = ChargerState["totalPower"]
currentCableRating = ChargerState["cableRating"]
currentMaxPower = ChargerState["outputCurrent"]
chargerOnline = ChargerState["isOnline"]
currentChargeEnergy = ChargerState["sessionEnergy"]

log(currentChargePower, currentCableRating, currentMaxPower, chargerOnline, currentChargeEnergy)




function WriteToEasee(request, request_body)
  request_url = 'https://api.easee.cloud/api/' .. request
  local response_body = {}
  local content_length

  if type(request_body) == "string" then
    content_length = #request_body
  else
    request_body = ""
  end

  local body, code, hdrs, stat = ssl.https.request{
    url = request_url;
    method = "POST";
    headers =
    {
      ["Content-Type"] = "application/json";
      ["Authorization"] = "Bearer " .. API_Token;
      ["Content-Length"] = content_length;
    };
    source = ltn12.source.string(request_body);
    sink = ltn12.sink.table(response_body);
  }
  log(code)
  if code == 200 then
    ret = table.concat(response_body)
    ret = json.pdecode(ret)
    return ret
  else
    API_Token = GetToken() -- request a new token
  end
end

---

Code:

require('json')
require('ssl.https')
require('ltn12')

-- Set credentials for Easee API
email ='****************'
password ='*************'

function GetToken()
  request_token_url = 'https://api.easee.cloud/api/accounts/login'
  local response_body = {}
  local request_body = json.encode({
      userName = email,
      password = password,
})
  local body, code, hdrs, stat = ssl.https.request{
    url = request_token_url;
    method = "POST";
    headers =
    {
      ["Content-Type"] = "application/json";
      ["Content-Length"] = #request_body;
    };
    source = ltn12.source.string(request_body);
    sink = ltn12.sink.table(response_body);
  }
  log(code)
  if code == 200 then
    ret = table.concat(response_body)
    ret = json.pdecode(ret)
    log(ret)
    return ret.accessToken
  end
end

-- Request token
if not API_Token then
    API_Token = GetToken()
      log(API_Token, 'api_token')
end


--Store API Token to memory
storage.set('EaseeAPI_Token', API_Token)