//For GLAT

APIS:

/user/sendotp
->first api to hit
    req:
        {
            phone,name
        }
    res:
        {
            status: (success or fail),
            err: (empty on success else err msg) ['User exists','execution_error','conn_error','Missing Arguments']
            resp:{
                contains otp on success.//To resend otp hit same api again 
                on error 'User exists' contains name of user.
                errors execution_error and conn_error thrown on pgclient errors.
                //resp also contains msg, which could be displayed on client side** (not for all errors - see code)
            }
        }

/user/login
->To hit after signup
    req:
        {
            phone
        }
    res:
        {
            status:['success','fail'],
            err:['no such user','redis_error','Missing Arguments','execution_error','conn_error'],
            resp:{
                contains token on success
            }
        }

/group/updateOrCreate
->hit to add group
    req:
        {
            phone,gname,mems (Array of phone numbers),token
        }
    res:
        {
            status: ['success','fail'],
            err: ['Group already exists','Missing arguments','execution_error','login_again','redis_error']
            resp: {
                added: [array of numbers added to group],
                notAdded: [array of numbers not added to group],
                gid: unique group identifier
            }                    
        }

/user/contacts/view
->hit for viewing contacts list
    req:
        {
            phone,token,contacts array(Array of JSON objects of name & phome)
        }
    res:
        {
            status: ['success','fail'],
            err: ['execution_error','Missing arguments'],
            resp: [{dname,phone,is_member,pic_location}]
        }

/group/message/add
->hit for adding message
    req:
        {
            phone,token,lat(-90 to 90),long(-180 to 180),body,sensorData(object),gid
        }
    res:
        {
            status: status: ['success','fail'],
            err: ['exec_error', 'login_again', 'Incorrect parameters', 'No such group']
            resp: "Message added" (on success)
        }

/file/upload
-> hit for uploading file
    req: 
    {
        phone, token, file
    }
    res:
    {
        status: ['success','fail'],
        err: ['exec_error', 'login_again', 'Incorrect parameters'],
        resp: fileName
    }

/file/download
->hit for downloading file
    req: 
    {
        phone, token, fileName
    }
    res:
    {
        status: ['success','fail'],
        err: ['exec_error', 'login_again', 'Incorrect parameters'],
        resp: fileName
    }

 /user/updateProfile
 -> API for profile update
    req:
    {
        phone,token,name,picLoc
    }
     res:
    {
        status: ['success','fail'],
        err: ['exec_error', 'login_again', 'Incorrect parameters'],
        resp: "Profile updated"
    }

/group/showAllMessages
-> API for listing all messages of group
   req:
   {
       phone,token,gid,coord (array of Lat,Long)
   }
   res:
   {
        status: ['success','fail'],
        err: ['exec_error', 'login_again', 'Incorrect parameters'],
        resp: JSON array of messages (body, lat, long, gid, mid, createdByNum, createdbyName, createdAt, sensorData (JSON obj))
   }

/group/addMessageFeed
 -> API for adding comment in the message feed
  req:
  {
      phone,token,gid,mid,comment
  }
  res:
  {
    status: ['success','fail'],
    err: ['exec_error', 'login_again', 'Incorrect parameters'],
    resp: "Comment added in the message"
  }

  /group/displayMessageFeed
  ->API for displaying all comments of the message
  req:
  {
      phone,token,gi,mid
  }
  res:
  {
    status: ['success','fail'],
    err: ['exec_error', 'login_again', 'Incorrect parameters'],
    resp: JSON array of message feed  (user,message,createdAt,pic_location)
  }

  /group/markMessageRead
  ->API for updating the read status of a message for the user
  req:
  {
      phone,token,mid,gid
  }
  res:
  {
    status: ['success','fail'],
    err: ['exec_error', 'login_again', 'Incorrect parameters'],
    resp: "Message in read status"
  }
  
  /user/groupListView
  ->API for retrieving groupList
  req:
  {
      phone, token, lat, long
  }
  res:
  {
      status: ['success','fail'],
      err: ['exec_error', 'login_again', 'Missing Arguments'],
      resp: [{gname, gid, unread_count, pic_location}]
  }

  /group/message/detect
  ->API for doing server side object detection
  req: 
  {
      objectPath, sceneImg, phone, token
  }
  res:
  {
    status: ['success','fail'],
    err: ['exec_error', 'login_again', 'Incorrect parameters'],
    resp: fileName
  }