public static async Task DoWork(IConfiguration configuration, ILogger log = null)
{
var api = new CosmosInterface(configuration);
var translator = new Translator(configuration);
// The reminder message is static, so cache any translations to limit API calls.
var translationCache = new Dictionary <string, string>();
// Get the current day.
var day = DayFlagsHelpers.CurrentDay();
// Get all users.
// TODO: this should likely be broken up so that it doesn't exceed the function time limit.
var users = await api.GetUsers();
Helpers.LogInfo(log, $"Found {users.Count} users");
var queueHelper = new OutgoingMessageQueueHelpers(configuration.AzureWebJobsStorage());
foreach (var user in users)
{
// Check if the user should be reminded today.
if (!user.ContactEnabled || !user.ReminderFrequency.HasFlag(day))
{
continue;
}
// Check if the user should be reminded at this time.
// Special case: use 6pm UTC (10am PST) if their reminder time isn't set.
DateTime userReminderTime = string.IsNullOrEmpty(user.ReminderTime) ?
DateTime.Parse("6:00pm") : DateTime.Parse(user.ReminderTime);
// Using a 5 minute window in case the function triggers slightly early or late.
if (Math.Abs((DateTime.UtcNow - userReminderTime).TotalMinutes) > 5)
{
continue;
}
var message = Phrases.Greeting.RemindToUpdate;
// Check if the user's language is already cached.
if (translationCache.TryGetValue(user.Language, out var translation))
{
message = translation;
}
else
{
// Translate the message if necessary.
if (translator.IsConfigured && user.Language != Translator.DefaultLanguage)
{
message = await translator.TranslateAsync(message, user.Language);
}
// Cache the message
translationCache.Add(user.Language, message);
}
var data = new OutgoingMessageQueueData
{
PhoneNumber = user.PhoneNumber,
Message = message
};
await queueHelper.Enqueue(data);
}
}
public override Task <WaterfallDialog> GetWaterfallDialog(ITurnContext turnContext, CancellationToken cancellation)
{
return(Task.Run(() =>
{
return new WaterfallDialog(Name, new WaterfallStep[]
{
async(dialogContext, cancellationToken) =>
{
// Get the categories.
var schema = Helpers.GetSchema();
List <string> categories = schema.Categories.Select(c => c.Name).ToList();
if (categories.Count == 1)
{
// No need to ask for a single category.
var userContext = await this.state.GetUserContext(dialogContext.Context, cancellationToken);
userContext.Category = schema.Categories.First().Name;
// Skip this step.
return await dialogContext.NextAsync(null, cancellationToken);
}
var choices = new List <Choice>();
categories.ForEach(c => choices.Add(new Choice {
Value = c
}));
choices.Add(new Choice {
Value = Phrases.None
});
return await dialogContext.PromptAsync(
Prompt.CategoryPrompt,
new PromptOptions()
{
Prompt = Phrases.Provide.GetCategory,
Choices = choices
},
cancellationToken);
},
async(dialogContext, cancellationToken) =>
{
var schema = Helpers.GetSchema();
var userContext = await this.state.GetUserContext(dialogContext.Context, cancellationToken);
if (dialogContext.Result is FoundChoice)
{
// Choice was validated in case the schema changed.
var selectedCategory = ((FoundChoice)dialogContext.Result).Value;
if (selectedCategory == Phrases.None)
{
return await dialogContext.EndDialogAsync(null, cancellationToken);
}
// Store the category in the user context.
userContext.Category = selectedCategory;
}
// Get the resources in the category.
var category = schema.Categories.FirstOrDefault(c => c.Name == userContext.Category);
List <string> resources = category.Resources.Select(r => r.Name).ToList();
var choices = new List <Choice>();
resources.ForEach(r => choices.Add(new Choice {
Value = r
}));
choices.Add(new Choice {
Value = Phrases.None
});
return await dialogContext.PromptAsync(
Prompt.ResourcePrompt,
new PromptOptions()
{
Prompt = Phrases.Request.Resources(userContext.Category),
Choices = choices,
Validations = new ResourcePromptValidations {
Category = userContext.Category
}
},
cancellationToken);
},
async(dialogContext, cancellationToken) =>
{
// Choice was validated in case the schema changed.
var selectedResource = ((FoundChoice)dialogContext.Result).Value;
if (selectedResource == Phrases.None)
{
return await dialogContext.EndDialogAsync(null, cancellationToken);
}
var userContext = await this.state.GetUserContext(dialogContext.Context, cancellationToken);
userContext.Resource = selectedResource;
// Ask how many they need.
return await dialogContext.PromptAsync(
Prompt.IntPrompt,
new PromptOptions {
Prompt = Phrases.Request.GetQuantity(selectedResource)
},
cancellationToken);
},
async(dialogContext, cancellationToken) =>
{
var userContext = await this.state.GetUserContext(dialogContext.Context, cancellationToken);
userContext.NeedQuantity = (int)dialogContext.Result;
if (userContext.NeedQuantity == 0)
{
// Delete the need if it has already been added.
var user = await api.GetUser(dialogContext.Context);
var need = await this.api.GetNeedForUser(user, userContext.Category, userContext.Resource);
if (need != null)
{
await this.api.Delete(need);
await Messages.SendAsync(Phrases.Request.CompleteDelete, dialogContext.Context, cancellationToken);
}
else
{
await Messages.SendAsync(Phrases.Request.CompleteUpdate, dialogContext.Context, cancellationToken);
}
return await dialogContext.EndDialogAsync(null, cancellationToken);
}
// Ask whether or not they are willing to take opened items.
return await dialogContext.PromptAsync(
Prompt.ConfirmPrompt,
new PromptOptions {
Prompt = Phrases.Request.GetOpenedOkay
},
cancellationToken);
},
async(dialogContext, cancellationToken) =>
{
var userContext = await this.state.GetUserContext(dialogContext.Context, cancellationToken);
userContext.NeedUnopenedOnly = !(bool)dialogContext.Result;
// Ask for any instructions.
return await dialogContext.PromptAsync(
Prompt.TextPrompt,
new PromptOptions {
Prompt = Phrases.Request.Instructions
},
cancellationToken);
},
async(dialogContext, cancellationToken) =>
{
var schema = Helpers.GetSchema();
var userContext = await this.state.GetUserContext(dialogContext.Context, cancellationToken);
// Check if they have already added this resource.
var user = await api.GetUser(dialogContext.Context);
var need = await this.api.GetNeedForUser(user, userContext.Category, userContext.Resource);
// Create or update the need.
if (need == null)
{
need = new Need();
need.CreatedById = user.Id;
need.Category = userContext.Category;
need.Name = userContext.Resource;
need.Quantity = userContext.NeedQuantity;
need.UnopenedOnly = userContext.NeedUnopenedOnly;
need.Instructions = (string)dialogContext.Result;
await this.api.Create(need);
}
else
{
need.CreatedOn = DateTime.UtcNow;
need.Quantity = userContext.NeedQuantity;
need.UnopenedOnly = userContext.NeedUnopenedOnly;
need.Instructions = (string)dialogContext.Result;
await this.api.Update(need);
}
// The API input requires meters.
// Default is 50, but we could make this configurable in the future.
double requestMeters = Units.Miles.ToMeters(50);
// Get all users within the distance from the user.
var usersWithinDistance = await this.api.GetUsersWithinDistance(user.LocationCoordinates, requestMeters);
if (usersWithinDistance.Count > 0)
{
var organization = schema.VerifiedOrganizations.FirstOrDefault(o => o.PhoneNumbers.Contains(user.PhoneNumber));
var message = Phrases.Match.GetMessage(organization.Name, need.Name, need.Quantity, need.Instructions);
var queueHelper = new OutgoingMessageQueueHelpers(this.configuration.AzureWebJobsStorage());
// Cache any translations to limit API calls.
var translationCache = new Dictionary <string, string>();
// Get any matching resources for the users.
foreach (var userWithinDistance in usersWithinDistance)
{
var resource = await this.api.GetResourceForUser(userWithinDistance, need.Category, need.Name);
if (!Helpers.DoesResourceMatchNeed(need, resource))
{
continue;
}
// Check if the user's language is already cached.
if (translationCache.TryGetValue(user.Language, out var translation))
{
message = translation;
}
else
{
// Translate the message if necessary.
if (translator.IsConfigured && user.Language != Translator.DefaultLanguage)
{
message = await translator.TranslateAsync(message, user.Language);
}
// Cache the message
translationCache.Add(user.Language, message);
}
var data = new OutgoingMessageQueueData
{
PhoneNumber = userWithinDistance.PhoneNumber,
Message = message
};
await queueHelper.Enqueue(data);
}
}
await Messages.SendAsync(Phrases.Request.CompleteCreate(user), turnContext, cancellationToken);
return await dialogContext.EndDialogAsync(null, cancellationToken);
}
});
}));
public override Task <WaterfallDialog> GetWaterfallDialog(ITurnContext turnContext, CancellationToken cancellation)
{
return(Task.Run(() =>
{
return new WaterfallDialog(Name, new WaterfallStep[]
{
async(dialogContext, cancellationToken) =>
{
// Get the categories.
var schema = Helpers.GetSchema();
List <string> categories = schema.Categories.Select(c => c.Name).ToList();
if (categories.Count == 1)
{
// No need to ask for a single category.
var userContext = await this.state.GetUserContext(dialogContext.Context, cancellationToken);
userContext.Category = schema.Categories.First().Name;
// Skip this step.
return await dialogContext.NextAsync(null, cancellationToken);
}
var choices = new List <Choice>();
categories.ForEach(c => choices.Add(new Choice {
Value = c
}));
choices.Add(new Choice {
Value = Phrases.None
});
return await dialogContext.PromptAsync(
Prompt.CategoryPrompt,
new PromptOptions()
{
Prompt = Phrases.Provide.GetCategory,
Choices = choices
},
cancellationToken);
},
async(dialogContext, cancellationToken) =>
{
var schema = Helpers.GetSchema();
var userContext = await this.state.GetUserContext(dialogContext.Context, cancellationToken);
if (dialogContext.Result is FoundChoice)
{
// Choice was validated in case the schema changed.
var selectedCategory = ((FoundChoice)dialogContext.Result).Value;
if (selectedCategory == Phrases.None)
{
return await dialogContext.EndDialogAsync(null, cancellationToken);
}
// Store the category in the user context.
userContext.Category = selectedCategory;
}
// Get the resources in the category.
var category = schema.Categories.FirstOrDefault(c => c.Name == userContext.Category);
List <string> resources = category.Resources.Select(r => r.Name).ToList();
var choices = new List <Choice>();
resources.ForEach(r => choices.Add(new Choice {
Value = r
}));
choices.Add(new Choice {
Value = Phrases.None
});
return await dialogContext.PromptAsync(
Prompt.ResourcePrompt,
new PromptOptions()
{
Prompt = Phrases.Request.Resources(userContext.Category),
Choices = choices,
Validations = new ResourcePromptValidations {
Category = userContext.Category
}
},
cancellationToken);
},
async(dialogContext, cancellationToken) =>
{
// Choice was validated in case the schema changed.
var selectedResource = ((FoundChoice)dialogContext.Result).Value;
if (selectedResource == Phrases.None)
{
return await dialogContext.EndDialogAsync(null, cancellationToken);
}
// Store the resource in the user context.
var userContext = await this.state.GetUserContext(dialogContext.Context, cancellationToken);
userContext.Resource = selectedResource;
// Ask how many they need.
return await dialogContext.PromptAsync(
Prompt.IntPrompt,
new PromptOptions
{
Prompt = Phrases.Request.GetQuantity(selectedResource)
},
cancellationToken);
},
async(dialogContext, cancellationToken) =>
{
// Store the quantity in the user context.
var userContext = await this.state.GetUserContext(dialogContext.Context, cancellationToken);
userContext.RequestQuantity = (int)dialogContext.Result;
var schema = Helpers.GetSchema();
// Ask the distance they want to broadcast to.
return await dialogContext.PromptAsync(
Prompt.IntPrompt,
new PromptOptions
{
Prompt = Phrases.Request.Distance(schema.Units)
},
cancellationToken);
},
async(dialogContext, cancellationToken) =>
{
// Store the distance in the user context.
var userContext = await this.state.GetUserContext(dialogContext.Context, cancellationToken);
userContext.RequestDistance = (int)dialogContext.Result;
// Ask for any instructions.
return await dialogContext.PromptAsync(
Prompt.TextPrompt,
new PromptOptions
{
Prompt = Phrases.Request.Instructions
},
cancellationToken);
},
async(dialogContext, cancellationToken) =>
{
var instructions = (string)dialogContext.Result;
var schema = Helpers.GetSchema();
var user = await api.GetUser(dialogContext.Context);
var userContext = await this.state.GetUserContext(dialogContext.Context, cancellationToken);
// The API input requires meters.
double requestMeters = schema.Units.ToMeters(userContext.RequestDistance);
// Get all users within the distance from the user.
var usersWithinDistance = await this.api.GetUsersWithinDistance(user.LocationCoordinates, userContext.RequestDistance);
if (usersWithinDistance.Count > 0)
{
var organization = schema.VerifiedOrganizations.FirstOrDefault(o => o.PhoneNumbers.Contains(user.PhoneNumber));
var message = Phrases.Request.GetOutgoingMessage(organization.Name, userContext.Resource, userContext.RequestQuantity, instructions);
var queueHelper = new OutgoingMessageQueueHelpers(this.configuration.AzureWebJobsStorage());
// Get any matching resources for the users.
foreach (var userWithinDistance in usersWithinDistance)
{
var resource = await this.api.GetResourceForUser(userWithinDistance, userContext.Category, userContext.Resource);
if (resource != null)
{
var data = new OutgoingMessageQueueData
{
PhoneNumber = userWithinDistance.PhoneNumber,
Message = message
};
await queueHelper.Enqueue(data);
}
}
}
await Messages.SendAsync(Phrases.Request.Sent, turnContext, cancellationToken);
return await dialogContext.EndDialogAsync(null, cancellationToken);
}
});
}));
}
