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EventService class

EventService class provides different services in the context of Event.

Services include:

  • setOrgStreamSubscription : to set organization stream subscription for user.
  • getEvents : to get all events of the organization.
  • fetchAttendeesByEvent : to fetch all attendees of an event.
  • registerForAnEvent : to register for an event.
  • deleteEvent : to delete an event.
  • editEvent : to edit the event.
  • fetchEventVolunteers : to fetch all volunteers of an event.
  • createVolunteerGroup : to create a volunteer group.
  • addVolunteerToGroup : to add a volunteer to a group.
  • dispose : to cancel the stream subscription of an organization.

Inheritance

: - Object

Constructors​

EventService

:

Properties​

[cacheKey] [→ String] : feed cacheBox key. ::: features finalinherited :::

[currentOrg] [→ OrgInfo] : The event stream. ::: features no setter :::

[eventStream] [→ Stream[<[List[<[Event]>]]>]] : The event stream. ::: features no setter :::

[hashCode] [→ int] : The hash code for this object. ::: features no setterinherited :::

[runtimeType] [→ Type] : A representation of the runtime type of the object. ::: features no setterinherited :::

Methods​

[addVolunteerToGroup][([[Map[<[String], dynamic>]] variables]) [→ Future] ] : This function is used to add a volunteer to a group.

[createAgendaItem][([[Map[<[String], dynamic>]] variables]) [→ Future] ] : This function is used to create an agenda item.

[createEvent][ [→ Future[<[QueryResult[<[Object?]>]]>]] ] : This function is used to create an event using a GraphQL mutation.

[createVolunteerGroup][([[Map[<[String], dynamic>]] variables]) [→ Future] ] : This function is used to create a volunteer group.

[deleteAgendaItem][([[Map[<[String], dynamic>]] variables]) [→ Future] ] : This function is used to delete an agenda item.

[deleteEvent][([[String] eventId]) [→ Future[<[QueryResult[<[Object?]>]]>]] ] : This function is used to delete the event.

dispose [→ void ] : This function is used to cancel the stream subscription of an organization.

[editEvent][ [→ Future[<[QueryResult[<[Object?]>]]>]] ] : This function is used to edit an event.

[fetchAgendaCategories][([[String] orgId]) [→ Future] ] : This function is used to create an agenda item.

[fetchAgendaItems][([[String] eventId]) [→ Future] ] : This function is used to fetch all agenda items for a specific organization.

[fetchAttendeesByEvent][([[String] eventId]) [→ Future] ] : This function is used to fetch all registrants of an event.

[fetchDataFromApi][ [→ Future[<[List[<[Event]>]]>]] ] : Abstract method to be implemented by subclasses to fetch data from an API. ::: features override :::

[fetchEventsInitial][ [→ Future<[void>]] ] : Fetches the initial set of events, loading from the cache first, and then refreshing the feed.

[fetchVolunteerGroupsByEvent][([[String] eventId]) [→ Future[<[List[<[EventVolunteerGroup]>]]>]] ] : This function is used to fetch all volunteer groups for an event.

[getEvents][ [→ Future<[void>]] ] : This function is used to fetch all the events of an organization.

[getNewFeedAndRefreshCache][ [→ Future[<[List[<[Event]>]]>]] ] : Fetches new data from the API if online, updates the cache, and returns the data. ::: features inherited :::

[loadCachedData][ [→ Future[<[List[<[Event]>]]>]] ] : Loads the data cached in Hive. ::: features inherited :::

[noSuchMethod][([[Invocation] invocation]) → dynamic ] : Invoked when a nonexistent method or property is accessed. ::: features inherited :::

[refreshFeed][ [→ Future<[void>]] ] : Refreshes the event feed by fetching the latest events from the API and updating the event stream.

[registerForAnEvent][([[String] eventId]) [→ Future] ] : This function is used to register user for an event.

[removeVolunteerFromGroup][([[Map[<[String], dynamic>]] variables]) [→ Future] ] : This function is used to remove a volunteer from a group.

[removeVolunteerGroup][([[Map[<[String], dynamic>]] variables]) [→ Future] ] : This function is used to remove a volunteer group.

[saveDataToCache][([[List[<[Event]>]] data]) [→ Future<[void>]] ] : Saves a list of data to the cache, replacing any existing data. ::: features inherited :::

setOrgStreamSubscription [→ void ] : This function is used to set stream subscription for an organization.

[toString][ [→ String] ] : A string representation of this object. ::: features inherited :::

[updateAgendaItem][([[String] itemId, ][[Map[<[String], dynamic>]] variables]) [→ Future] ] : This function is used to update an agenda item.

[updateVolunteerGroup][([[Map[<[String], dynamic>]] variables]) [→ Future] ] : This function is used to update the information of a volunteer group.

Operators​

[operator ==][([[Object] other]) [→ bool] ] : The equality operator. ::: features inherited :::

  1. talawa
  2. event_service
  3. EventService class
event_service library​