/// <summary>
/// Flushes Concurrent Lists (defined in HWC.DataModel). This Lambda function function is typically invoked with scheduled calls.
/// </summary>
/// <param name="input"></param>
/// <param name="context"></param>
/// <returns></returns>
public async Task <APIGatewayProxyResponse> FunctionHandlerAsync(APIGatewayProxyRequest request, ILambdaContext context)
{
APIGatewayProxyResponse response = new APIGatewayProxyResponse();
if (context != null)
{
this.Context = context;
try
{
// Reset data members of the Function class;
// It needs to be done because AWS Lambda uses the same old instance to invoke the FunctionHandler on concurrent calls
ResetDataMembers();
// Initialize DataClient
Config.DataClientConfig dataClientConfig = new Config.DataClientConfig(Config.DataClientConfig.RdsDbInfrastructure.Aws);
using (_dataClient = new DataClient(dataClientConfig))
{
await FlushZoneConcurrentListAsync();
await FlushDisplayConcurrentListAsync();
}
// Respond OK
response.StatusCode = (int)HttpStatusCode.OK;
response.Headers = new Dictionary <string, string>()
{
{ "Access-Control-Allow-Origin", "'*'" }
};
response.Body = JsonConvert.SerializeObject(new Empty());
}
catch (Exception ex)
{
// Respond error
Error error = new Error((int)HttpStatusCode.Forbidden)
{
Description = "Forbidden",
ReasonPharse = "Forbidden"
};
response.StatusCode = error.Code;
response.Body = JsonConvert.SerializeObject(error);
Context.Logger.LogLine("TransientData ERROR: " + ex.Message);
}
}
else
{
throw new Exception("Lambda context is not initialized");
}
return(response);
}
/// <summary>
/// Seeds demo contents into HWC databases and reads
/// </summary>
/// <param name="input"></param>
/// <param name="context"></param>
/// <returns></returns>
public async Task <string> FunctionHandlerAsync(string input, ILambdaContext context)
{
if (context != null)
{
this.Context = context;
Config.DataClientConfig dataClientConfig = new Config.DataClientConfig(Config.DataClientConfig.RdsDbInfrastructure.Aws);
await ConfigurationDataDemoAsync(dataClientConfig);
await TransactionalDataDemoAsync(dataClientConfig);
await TransientDataDemoAsync(dataClientConfig);
}
else
{
throw new Exception("Lambda context is not initialized");
}
return(input);
}
/// <summary>
/// Processes the input request
/// </summary>
/// <param name="request"></param>
/// <returns></returns>
private async Task <APIGatewayProxyResponse> ProcessRequestAsync(APIGatewayProxyRequest request)
{
APIGatewayProxyResponse response = new APIGatewayProxyResponse();
// Retrieve DisplayEndpointID from request path-parameters
string displayEndpointIdRequestPathName = "display-endpoint-id";
if (request?.PathParameters?.ContainsKey(displayEndpointIdRequestPathName) ?? false)
{
// Try to parse the provided UserID from string to long
try
{
_displayEndpointID = Convert.ToInt64(request.PathParameters[displayEndpointIdRequestPathName]);
}
catch (Exception ex)
{
Context.Logger.LogLine("DisplayEndpointID conversion ERROR: " + ex.Message);
}
}
// Validate the DisplayEndpointID
if (1 > (_displayEndpointID ?? 0))
{
// Respond error
Error error = new Error((int)HttpStatusCode.BadRequest)
{
Description = "Invalid ID supplied",
ReasonPharse = "Bad Request"
};
response.StatusCode = error.Code;
response.Body = JsonConvert.SerializeObject(error);
Context.Logger.LogLine(error.Description);
}
else
{
// Initialize DataClient
Config.DataClientConfig dataClientConfig = new Config.DataClientConfig(Config.DataClientConfig.RdsDbInfrastructure.Aws);
using (_dataClient = new DataClient(dataClientConfig))
{
// Get the DisplayEndpoint if exists in DB
DisplayEndpoint displayEndpoint = await GetDisplayEndpointAsync();
if (displayEndpoint != null)
{
// Retrieve Notification for the DisplayEndpoint (if any)
Notification notification = await GetNotificationAsync(displayEndpoint);
// Exclude undesired properties from the returning json object
var jsonResolver = new IgnorableSerializerContractResolver();
jsonResolver.Ignore(typeof(Notification), new string[] { "ClientSpot", "LocationDeviceNotifications", "DisplayEndpointNotifications" });
jsonResolver.Ignore(typeof(Coupon), new string[] { "ClientSpot", "Notification" });
// Respond OK
response.StatusCode = (int)HttpStatusCode.OK;
response.Headers = new Dictionary <string, string>()
{
{ " Access-Control-Allow-Origin", "'*'" }
};
response.Body = JsonConvert.SerializeObject(notification, jsonResolver.GetSerializerSettings());
}
else
{
// Respond error
Error error = new Error((int)HttpStatusCode.NotFound)
{
Description = "DisplayEndpoint not found",
ReasonPharse = "DisplayEndpoint Not Found"
};
response.StatusCode = error.Code;
response.Body = JsonConvert.SerializeObject(error);
Context.Logger.LogLine(error.Description);
}
}
}
return(response);
}
/// <summary>
/// Processes the input request
/// </summary>
/// <param name="request"></param>
/// <returns></returns>
private async Task <APIGatewayProxyResponse> ProcessRequestAsync(APIGatewayProxyRequest request)
{
APIGatewayProxyResponse response = new APIGatewayProxyResponse();
// Initialize DataClient
Config.DataClientConfig dataClientConfig = new Config.DataClientConfig(Config.DataClientConfig.RdsDbInfrastructure.Aws);
using (_dataClient = new DataClient(dataClientConfig))
{
Location location = null;
string locationSerialized = request?.Body;
// Try to parse the provided json serialzed location into Location object
try
{
location = JsonConvert.DeserializeObject <Location>(locationSerialized);
location.LocatedAtTimestamp = location.LocatedAtTimestamp ?? DateTime.UtcNow;
}
catch (Exception ex)
{
Context.Logger.LogLine("Location deserialization ERROR: " + ex.Message);
}
// Validate the Location
if (!(location == null || location.Type == LocationDeviceType.None || string.IsNullOrEmpty(location.DeviceID)))
{
// Check if corresponding LocationDevice exists in DB
_locationDevice = await GetLocationDeviceFromLocationAsync(location);
if (_locationDevice != null)
{
var notificationToReturn = await UpdateDisplayConcurrentListAsync();
// Exclude undesired properties from the returning json object
var jsonResolver = new IgnorableSerializerContractResolver();
jsonResolver.Ignore(typeof(Notification), new string[] { "ClientSpot", "LocationDeviceNotifications", "DisplayEndpointNotifications", "Coupons" });
// Respond OK
response.StatusCode = (int)HttpStatusCode.OK;
response.Headers = new Dictionary <string, string>()
{
{ "Access-Control-Allow-Origin", "'*'" }
};
response.Body = JsonConvert.SerializeObject(notificationToReturn, jsonResolver.GetSerializerSettings());
}
else
{
// Respond error
Error error = new Error((int)HttpStatusCode.NotFound)
{
Description = "LocationDevice not found",
ReasonPharse = "LocationDevice Not Found"
};
response.StatusCode = error.Code;
response.Body = JsonConvert.SerializeObject(error);
Context.Logger.LogLine(error.Description);
}
}
else
{
// Respond error
Error error = new Error((int)HttpStatusCode.NotAcceptable)
{
Description = "Invalid Location input",
ReasonPharse = "Not Acceptable Location"
};
response.StatusCode = error.Code;
response.Body = JsonConvert.SerializeObject(error);
Context.Logger.LogLine(error.Description);
}
}
return(response);
}
/// <summary>
/// Seeds Configuration Data
/// </summary>
/// <param name="dataClientConfig"></param>
/// <returns></returns>
private async Task ConfigurationDataDemoAsync(Config.DataClientConfig dataClientConfig)
{
try
{
using (DataClient dataClient = new DataClient(dataClientConfig))
{
if (dataClient.ConfigurationData != null)
{
ConfigurationData configurationData = dataClient.ConfigurationData;
// Explicit loading. When the entity is first read, related data isn't retrieved.
// Example code that retrieves the related data. It impacts retrieval performance hence only use if it's needed.
await configurationData.Clients.Include(client => client.ClientSpots).LoadAsync();
await configurationData.ClientSpots.Include(clientSpot => clientSpot.Zones)
.Include(clientSpot => clientSpot.LocationDevices)
.Include(clientSpot => clientSpot.DisplayEndpoints)
.Include(clientSpot => clientSpot.Notifications)
.Include(clientSpot => clientSpot.Coupons).LoadAsync();
await configurationData.Zones.Include(zone => zone.LocationDevices)
.Include(zone => zone.DisplayEndpoints).LoadAsync();
await configurationData.LocationDevices.Include(locationDevice => locationDevice.LocationDeviceNotifications).LoadAsync();
await configurationData.DisplayEndpoints.Include(displayEndpoint => displayEndpoint.DisplayEndpointNotifications).LoadAsync();
await configurationData.Notifications.Include(notification => notification.Coupons)
.Include(notification => notification.LocationDeviceNotifications)
.Include(notification => notification.DisplayEndpointNotifications).LoadAsync();
///////// DB seeding with demo content /////////
// Look for any Clients
if (configurationData.Clients.Any())
{
string log = "Total Client found: " + configurationData.Clients.LongCount() + " | " +
"Total ClientSpot found: " + configurationData.ClientSpots.LongCount() + " | " +
"Total Zone found: " + configurationData.Zones.LongCount() + " | " +
"Total LocationDevice found: " + configurationData.LocationDevices.LongCount() + " | " +
"Total DisplayEndpoint found: " + configurationData.DisplayEndpoints.LongCount() + " | " +
"Total Notification found: " + configurationData.Notifications.LongCount() + " | " +
"Total Coupon found: " + configurationData.Coupons.LongCount() + " | " +
"Total User found: " + configurationData.Users.LongCount();
Context.Logger.LogLine("[ConfigurationData Summary]");
Context.Logger.LogLine(log);
return; // DB has been seeded already
}
// DB save operation
Context.Logger.LogLine("[Adding contents for ConfigurationData]");
// Adding Clients
var clients = new Client[]
{
new Client {
Name = "Demo Mart", PhoneNumber = "001-123-4567", Address = "US"
}
};
foreach (Client client in clients)
{
configurationData.Clients.Add(client);
}
Context.Logger.LogLine("1 Client added");
// Adding ClientSpots
var clientSpots = new ClientSpot[]
{
new ClientSpot {
ClientID = clients[0].ClientID, Name = "DemoMart Seattle Store", PhoneNumber = "001-123-4567", Address = "Seattle, US"
},
new ClientSpot {
ClientID = clients[0].ClientID, Name = "DemoMart LA Store", PhoneNumber = "001-123-4567", Address = "LA, US"
}
};
foreach (ClientSpot clientSpot in clientSpots)
{
configurationData.ClientSpots.Add(clientSpot);
}
Context.Logger.LogLine("2 ClientSpots added");
// Adding Zones
var zones = new Zone[]
{
new Zone {
ClientSpotID = clientSpots[0].ClientSpotID, Name = "Pseudo Zone"
},
new Zone {
ClientSpotID = clientSpots[0].ClientSpotID, Name = "Demo Entrance Zone (Scenario #1)"
},
new Zone {
ClientSpotID = clientSpots[0].ClientSpotID, Name = "Demo Bakery Zone (Scenario #2)"
},
new Zone {
ClientSpotID = clientSpots[0].ClientSpotID, Name = "Demo Electronics Zone (Scenario #3)"
}
};
foreach (Zone zone in zones)
{
configurationData.Zones.Add(zone);
}
Context.Logger.LogLine("4 Zones added");
// SAVING the changes into physical DB
await configurationData.SaveChangesAsync();
// Adding LocationDevices
var locationDevices = new LocationDevice[]
{
new LocationDevice {
ClientSpotID = clientSpots[0].ClientSpotID, ZoneID = zones[0].ZoneID, Type = LocationDeviceType.IBeacon, DeviceID = "pseudo-uuid"
},
new LocationDevice {
ClientSpotID = clientSpots[0].ClientSpotID, ZoneID = zones[1].ZoneID, Type = LocationDeviceType.IBeacon, DeviceID = "11111111-1111-1111-1111-111111111111"
},
new LocationDevice {
ClientSpotID = clientSpots[0].ClientSpotID, ZoneID = zones[2].ZoneID, Type = LocationDeviceType.IBeacon, DeviceID = "22222222-2222-2222-2222-222222222222"
},
new LocationDevice {
ClientSpotID = clientSpots[0].ClientSpotID, ZoneID = zones[3].ZoneID, Type = LocationDeviceType.IBeacon, DeviceID = "33333333-3333-3333-3333-333333333333"
},
new LocationDevice {
ClientSpotID = clientSpots[0].ClientSpotID, ZoneID = zones[3].ZoneID, Type = LocationDeviceType.IBeacon, DeviceID = "44444444-4444-4444-4444-444444444444"
}
};
foreach (LocationDevice locationDevice in locationDevices)
{
configurationData.LocationDevices.Add(locationDevice);
}
Context.Logger.LogLine("5 LocationDevices added");
// Adding DisplayEndpoints
var displayEndpoints = new DisplayEndpoint[]
{
new DisplayEndpoint {
ClientSpotID = clientSpots[0].ClientSpotID, ZoneID = zones[0].ZoneID, Name = "Pseudo Display"
},
new DisplayEndpoint {
ClientSpotID = clientSpots[0].ClientSpotID, ZoneID = zones[1].ZoneID, Name = "Demo Display 1"
},
new DisplayEndpoint {
ClientSpotID = clientSpots[0].ClientSpotID, ZoneID = zones[2].ZoneID, Name = "Demo Display 2"
},
new DisplayEndpoint {
ClientSpotID = clientSpots[0].ClientSpotID, ZoneID = zones[3].ZoneID, Name = "Demo Display 3"
}
};
foreach (DisplayEndpoint displayEndpoint in displayEndpoints)
{
configurationData.DisplayEndpoints.Add(displayEndpoint);
}
Context.Logger.LogLine("4 DisplayEndpoints added");
// Adding Notifications
var notifications = new Notification[]
{
new Notification {
ClientSpotID = clientSpots[0].ClientSpotID, Name = "Pseduo Notification", Timeout = 10, ContentMimeType = MimeType.ImagePng, ContentSubject = "Pseduo Notification", ContentCaption = "Pseduo advertisement", ContentBody = "http://www.abc.com/images/img1.png"
},
new Notification {
ClientSpotID = clientSpots[0].ClientSpotID, Name = "Demo Notification 1 (Scenario #1)", SortOrder = 1, Timeout = 20, ShowProgressBar = false, ContentMimeType = MimeType.ImagePng, ContentSubject = "Welcome Greetings", ContentCaption = "Welcome to DemoMart Seattle Store!", ContentBody = "https://s3.amazonaws.com/hwconscious/notifications/demo_mart/welcome.png"
},
new Notification {
ClientSpotID = clientSpots[0].ClientSpotID, Name = "Demo Notification 2 (Scenario #2)", SortOrder = 1, Timeout = 10, ContentMimeType = MimeType.ImageJpg, ContentSubject = "Advertisement for Doughnut", ContentCaption = "4 Delicious Doughnuts", ContentBody = "https://s3.amazonaws.com/hwconscious/notifications/demo_mart/doughnut.jpg"
},
new Notification {
ClientSpotID = clientSpots[0].ClientSpotID, Name = "Demo Notification 3 (Scenario #2)", SortOrder = 2, Timeout = 10, ContentMimeType = MimeType.ImageJpg, ContentSubject = "Advertisement for Croissant", ContentCaption = "Croissant for breakfast needs", ContentBody = "https://s3.amazonaws.com/hwconscious/notifications/demo_mart/croissant.jpg"
},
new Notification {
ClientSpotID = clientSpots[0].ClientSpotID, Name = "Demo Notification 4 (Scenario #2)", SortOrder = 3, Timeout = 10, ContentMimeType = MimeType.VideoMp4, ContentSubject = "Advertisement for Coke", ContentCaption = "Taste the Feeling", ContentBody = "https://s3.amazonaws.com/hwconscious/notifications/demo_mart/coke.mp4"
},
new Notification {
ClientSpotID = clientSpots[0].ClientSpotID, Name = "Demo Notification 5 (Scenario #3)", Timeout = 10, ContentMimeType = MimeType.ImageJpeg, ContentSubject = "Advertisement for Iron", ContentCaption = "Steam Iron", ContentBody = "https://s3.amazonaws.com/hwconscious/notifications/demo_mart/iron.jpeg"
},
new Notification {
ClientSpotID = clientSpots[0].ClientSpotID, Name = "Demo Notification 6 (Scenario #3)", Timeout = 10, ContentMimeType = MimeType.ImageJpeg, ContentSubject = "Advertisement for Smartphone", ContentCaption = "Extraordinary performance", ContentBody = "https://s3.amazonaws.com/hwconscious/notifications/demo_mart/smart-phone.jpeg"
}
};
foreach (Notification notification in notifications)
{
configurationData.Notifications.Add(notification);
}
Context.Logger.LogLine("7 Notifications added");
// SAVING the changes into physical DB
await configurationData.SaveChangesAsync();
// Adding LocationDeviceNotifications
var displayEndpointNotifications = new DisplayEndpointNotification[]
{
new DisplayEndpointNotification {
DisplayEndpointID = displayEndpoints[0].DisplayEndpointID, NotificationID = notifications[0].NotificationID
},
new DisplayEndpointNotification {
DisplayEndpointID = displayEndpoints[1].DisplayEndpointID, NotificationID = notifications[1].NotificationID
},
new DisplayEndpointNotification {
DisplayEndpointID = displayEndpoints[2].DisplayEndpointID, NotificationID = notifications[2].NotificationID
},
new DisplayEndpointNotification {
DisplayEndpointID = displayEndpoints[2].DisplayEndpointID, NotificationID = notifications[3].NotificationID
},
new DisplayEndpointNotification {
DisplayEndpointID = displayEndpoints[2].DisplayEndpointID, NotificationID = notifications[4].NotificationID
}
};
foreach (DisplayEndpointNotification displayEndpointNotification in displayEndpointNotifications)
{
configurationData.DisplayEndpointNotifications.Add(displayEndpointNotification);
}
Context.Logger.LogLine("5 DisplayEndpointNotifications added");
// Adding LocationDeviceNotifications
var locationDeviceNotifications = new LocationDeviceNotification[]
{
new LocationDeviceNotification {
LocationDeviceID = locationDevices[3].LocationDeviceID, NotificationID = notifications[5].NotificationID
},
new LocationDeviceNotification {
LocationDeviceID = locationDevices[4].LocationDeviceID, NotificationID = notifications[6].NotificationID
}
};
foreach (LocationDeviceNotification locationDeviceNotification in locationDeviceNotifications)
{
configurationData.LocationDeviceNotifications.Add(locationDeviceNotification);
}
Context.Logger.LogLine("2 LocationDeviceNotifications added");
// Adding Coupons
var coupons = new Coupon[]
{
new Coupon {
ClientSpotID = clientSpots[0].ClientSpotID, NotificationID = notifications[0].NotificationID, Name = "Pseduo Coupon", CouponCode = "00000000000", Description = "Save $0.00", DiscountCents = 0.0
},
new Coupon {
ClientSpotID = clientSpots[0].ClientSpotID, NotificationID = notifications[2].NotificationID, Name = "Doughnut Coupon", CouponCode = "09876543210", Description = "SAVE $1.99", DiscountCents = 199.0
},
new Coupon {
ClientSpotID = clientSpots[0].ClientSpotID, NotificationID = notifications[3].NotificationID, Name = "Croissant Coupon", CouponCode = "92186293264", Description = "SAVE $0.49", DiscountCents = 49.0
},
new Coupon {
ClientSpotID = clientSpots[0].ClientSpotID, NotificationID = notifications[4].NotificationID, Name = "Coke Coupon", CouponCode = "97294957293", Description = "SAVE $0.20", DiscountCents = 20.0
}
};
foreach (Coupon coupon in coupons)
{
configurationData.Coupons.Add(coupon);
}
Context.Logger.LogLine("4 Coupons added");
// Adding Users
var users = new User[]
{
new User {
Type = UserType.Registered, Name = "Pseduo User", Email = "*****@*****.**"
},
new User {
Type = UserType.Registered, Name = "Demo User", Email = "*****@*****.**"
},
new User {
Type = UserType.Guest
}
};
foreach (User user in users)
{
configurationData.Users.Add(user);
}
Context.Logger.LogLine("3 Users added");
// SAVING the changes into physical DB
await configurationData.SaveChangesAsync();
}
}
}
catch (Exception ex)
{
Context.Logger.LogLine("ConfigurationData ERROR: " + ex.Message);
}
}
/// <summary>
/// Seeds Transient Data
/// </summary>
/// <param name="dataClientConfig"></param>
/// <returns></returns>
private async Task TransientDataDemoAsync(Config.DataClientConfig dataClientConfig)
{
try
{
using (DataClient dataClient = new DataClient(dataClientConfig))
{
if (dataClient.TransientData != null)
{
TransientData transientData = dataClient.TransientData;
///////// DB seeding with demo content /////////
var dCL = await transientData.ObtainDisplayConcurrentListAsync();
var zCL = await transientData.ObtainZoneConcurrentListAsync();
// Look for any item (DisplaySession & ZoneSession) in DisplayConcurrentList and ZoneConcurrentList Table
try
{
if ((dCL?.DisplaySessions?.Any() ?? false) && (zCL?.ZoneSessions?.Any() ?? false))
{
string log1 = JsonConvert.SerializeObject(dCL);
string log2 = JsonConvert.SerializeObject(zCL);
Context.Logger.LogLine("[TransientData Summary]");
Context.Logger.LogLine($"Found {dCL.DisplaySessions.Count} DisplaySession(s) in DisplayConcurrentList");
Context.Logger.LogLine(log1);
Context.Logger.LogLine($"Found {zCL.ZoneSessions.Count} ZoneSession(s) in ZoneConcurrentList");
Context.Logger.LogLine(log2);
return; // DB has been seeded already
}
}
catch (Exception ex)
{
Context.Logger.LogLine("TransientData scan ERROR: " + ex.Message);
}
// DB save operation
Context.Logger.LogLine("[Adding contents for TransientData]");
try
{
if ((!dCL?.DisplaySessions?.Any()) ?? false)
{
dCL.DisplaySessions.Add(new DisplaySession(1)
{
IsUserExists = true,
BufferedShowNotificationID = 1,
CurrentShowNotificationExpireAt = DateTime.UtcNow.AddSeconds(10),
DisplayTouchedNotificationID = 1,
DisplayTouchedAt = DateTime.UtcNow.AddSeconds(5),
LocationDeviceID = 1,
LocationDeviceRegisteredAt = DateTime.UtcNow
});
dCL.LastFlushedAt = DateTime.UtcNow;
// SAVING the DisplaySession into physical DisplayConcurrentList DB Table
Context.Logger.LogLine("Saving a DisplaySession to DisplayConcurrentList Table");
await transientData.SaveDisplayConcurrentListAsync();
}
if (!zCL.ZoneSessions.Any())
{
var zoneSession = new ZoneSession(1);
zoneSession.UserConcurrentList.UserSessions.Add(new UserSession(1)
{
EnteredIntoZoneAt = DateTime.UtcNow,
LastSeenInZoneAt = DateTime.UtcNow,
ReceivedCouponIDs = new List <long> {
1
}
});
zoneSession.UserConcurrentList.LastFlushedAt = DateTime.UtcNow;
zCL.ZoneSessions.Add(zoneSession);
// SAVING the ZoneSession into physical ZoneConcurrentList DB Table
Context.Logger.LogLine("Saving a ZoneSession with an UserSession to ZoneConcurrentList Table");
await transientData.SaveZoneConcurrentListAsync();
}
}
catch (Exception ex)
{
Context.Logger.LogLine("TransientData save ERROR: " + ex.Message);
}
}
}
}
catch (Exception ex)
{
Context.Logger.LogLine("TransientData ERROR: " + ex.Message);
}
}
/// <summary>
/// Seeds Transactional Data
/// </summary>
/// <param name="dataClientConfig"></param>
/// <returns></returns>
private async Task TransactionalDataDemoAsync(Config.DataClientConfig dataClientConfig)
{
try
{
using (DataClient dataClient = new DataClient(dataClientConfig))
{
if (dataClient.TransactionalData != null)
{
TransactionalData transactionalData = dataClient.TransactionalData;
// Explicit loading. When the entity is first read, related data isn't retrieved.
// Example code that retrieves the related data. It impacts retrieval performance hence only use if it's needed.
await transactionalData.ClientUsers.Include(clientUser => clientUser.Client)
.Include(clientUser => clientUser.User).LoadAsync();
await transactionalData.UserCoupons.Include(userCoupon => userCoupon.User)
.Include(userCoupon => userCoupon.Coupon).LoadAsync();
///////// DB seeding with demo content /////////
// Look for any Clients
if (transactionalData.ClientUsers.Any())
{
string log = "Total ClientUsers found: " + transactionalData.ClientUsers.LongCount() + " | " +
"Total UserCoupons found: " + transactionalData.UserCoupons.LongCount();
Context.Logger.LogLine("[TransactionalData Summary]");
Context.Logger.LogLine(log);
return; // DB has been seeded already
}
// DB save operation
Context.Logger.LogLine("[Adding contents for TransactionalData]");
// Adding ClientUsers
var clientUsers = new ClientUser[]
{
new ClientUser {
ClientID = 1, UserID = 1
}
};
foreach (ClientUser clientUser in clientUsers)
{
transactionalData.ClientUsers.Add(clientUser);
}
Context.Logger.LogLine("1 ClientUser added");
// Adding UserCoupons
var userCoupons = new UserCoupon[]
{
new UserCoupon {
UserID = 1, CouponID = 1
}
};
foreach (UserCoupon userCoupon in userCoupons)
{
transactionalData.UserCoupons.Add(userCoupon);
}
Context.Logger.LogLine("1 UserCoupon added");
// SAVING the changes into physical DB
await transactionalData.SaveChangesAsync();
}
}
}
catch (Exception ex)
{
Context.Logger.LogLine("TransactionalData ERROR: " + ex.Message);
}
}
/// <summary>
/// Processes the input request
/// </summary>
/// <param name="request"></param>
/// <returns></returns>
private async Task <APIGatewayProxyResponse> ProcessRequestAsync(APIGatewayProxyRequest request)
{
APIGatewayProxyResponse response = new APIGatewayProxyResponse();
// Retrieve DisplayEndpointID from request path-parameters
string displayEndpointIdRequestPathName = "display-endpoint-id";
if (request?.PathParameters?.ContainsKey(displayEndpointIdRequestPathName) ?? false)
{
// Try to parse the provided UserID from string to long
try
{
_displayEndpointID = Convert.ToInt64(request.PathParameters[displayEndpointIdRequestPathName]);
}
catch (Exception ex)
{
Context.Logger.LogLine("DisplayEndpointID conversion ERROR: " + ex.Message);
}
}
// Validate the DisplayEndpointID
if (1 > (_displayEndpointID ?? 0))
{
// Respond error
Error error = new Error((int)HttpStatusCode.BadRequest)
{
Description = "Invalid ID supplied",
ReasonPharse = "Bad Request"
};
response.StatusCode = error.Code;
response.Body = JsonConvert.SerializeObject(error);
Context.Logger.LogLine(error.Description);
}
else
{
// Initialize DataClient
Config.DataClientConfig dataClientConfig = new Config.DataClientConfig(Config.DataClientConfig.RdsDbInfrastructure.Aws);
using (_dataClient = new DataClient(dataClientConfig))
{
// Check if DisplayEndpoint exists in DB
if (await IsDisplayEndpointExistsAsync())
{
Event e = null;
string eventSerialized = request?.Body;
// Try to parse the provided json serialzed event into Event object
try
{
e = JsonConvert.DeserializeObject <Event>(eventSerialized);
}
catch (Exception ex)
{
Context.Logger.LogLine("Event deserialization ERROR: " + ex.Message);
}
// Validate the Event
if (!(e == null || e.Type != EventType.DisplayEndpoint_Touch || e.SourceType != EventSourceType.Notification || e.SourceID < 1))
{
// Register the DisplayEndpoint's touch event
await RegisterDisplayEndpointTouchEvent(e);
// Respond OK
response.StatusCode = (int)HttpStatusCode.OK;
response.Headers = new Dictionary <string, string>()
{
{ "Access-Control-Allow-Origin", "'*'" }
};
response.Body = JsonConvert.SerializeObject(new Empty());
}
else
{
// Respond error
Error error = new Error((int)HttpStatusCode.NotAcceptable)
{
Description = "Invalid Event input",
ReasonPharse = "Not Acceptable Event"
};
response.StatusCode = error.Code;
response.Body = JsonConvert.SerializeObject(error);
Context.Logger.LogLine(error.Description);
}
}
else
{
// Respond error
Error error = new Error((int)HttpStatusCode.NotFound)
{
Description = "DisplayEndpoint not found",
ReasonPharse = "DisplayEndpoint Not Found"
};
response.StatusCode = error.Code;
response.Body = JsonConvert.SerializeObject(error);
Context.Logger.LogLine(error.Description);
}
}
}
return(response);
}
/// <summary>
/// Processes the input request
/// </summary>
/// <param name="request"></param>
/// <returns></returns>
private async Task <APIGatewayProxyResponse> ProcessRequestAsync(APIGatewayProxyRequest request)
{
APIGatewayProxyResponse response = new APIGatewayProxyResponse();
// Retrieve UserID from request path-parameters
string userIdRequestPathName = "user-id";
if (request?.PathParameters?.ContainsKey(userIdRequestPathName) ?? false)
{
// Try to parse the provided UserID from string to long
try
{
_userID = Convert.ToInt64(request.PathParameters[userIdRequestPathName]);
}
catch (Exception ex)
{
Context.Logger.LogLine("UserID conversion ERROR: " + ex.Message);
}
}
// Validate the UserID
if (1 > (_userID ?? 0))
{
// Respond error
Error error = new Error((int)HttpStatusCode.BadRequest)
{
Description = "Invalid ID supplied",
ReasonPharse = "Bad Request"
};
response.StatusCode = error.Code;
response.Body = JsonConvert.SerializeObject(error);
Context.Logger.LogLine(error.Description);
}
else
{
// Initialize DataClient
Config.DataClientConfig dataClientConfig = new Config.DataClientConfig(Config.DataClientConfig.RdsDbInfrastructure.Aws);
using (_dataClient = new DataClient(dataClientConfig))
{
// Check if User exists in DB
if (await IsUserExistsAsync())
{
Location location = null;
string locationSerialized = request?.Body;
// Try to parse the provided json serialzed location into Location object
try
{
location = JsonConvert.DeserializeObject <Location>(locationSerialized);
location.LocatedAtTimestamp = location.LocatedAtTimestamp ?? DateTime.UtcNow;
}
catch (Exception ex)
{
Context.Logger.LogLine("Location deserialization ERROR: " + ex.Message);
}
// Validate the Location
if (!(location == null || location.Type == LocationDeviceType.None || string.IsNullOrEmpty(location.DeviceID)))
{
// Process the Location
await AddLocationAysnc(location);
// Retrieve Coupons for the User (if any)
List <Coupon> coupons = await GetCouponsAsync();
if (coupons != null)
{
// Exclude undesired properties from the returning json object
var jsonResolver = new IgnorableSerializerContractResolver();
jsonResolver.Ignore(typeof(Coupon), new string[] { "ClientSpot", "Notification" });
// Respond OK
response.StatusCode = (int)HttpStatusCode.OK;
response.Headers = new Dictionary <string, string>()
{
{ "Access-Control-Allow-Origin", "'*'" }
};
response.Body = JsonConvert.SerializeObject(coupons, jsonResolver.GetSerializerSettings());
}
else
{
Context.Logger.LogLine("List of Coupons is null");
}
}
else
{
// Respond error
Error error = new Error((int)HttpStatusCode.NotAcceptable)
{
Description = "Invalid Location input",
ReasonPharse = "Not Acceptable Location"
};
response.StatusCode = error.Code;
response.Body = JsonConvert.SerializeObject(error);
Context.Logger.LogLine(error.Description);
}
}
else
{
// Respond error
Error error = new Error((int)HttpStatusCode.NotFound)
{
Description = "User not found",
ReasonPharse = "User Not Found"
};
response.StatusCode = error.Code;
response.Body = JsonConvert.SerializeObject(error);
Context.Logger.LogLine(error.Description);
}
}
}
return(response);
}