Skip to main content
The Application router handles hackathon application submissions, RSVP management, and application status tracking.

​
Procedures

​
getStatusCount

Type: Query
Authentication: Protected (ADMIN or REVIEWER role required) Get application status counts grouped by status.
​
No input parameters
​
status
enum
Application status (IN_REVIEW, ACCEPTED, REJECTED, WAITLISTED, RSVP, CHECKED_IN)
​
count
number
Number of applications with this status
Example: 
const statusCounts = await trpc.application.getStatusCount.useQuery();
// Returns: [{ status: "IN_REVIEW", count: 45 }, { status: "ACCEPTED", count: 120 }, ...]

​
status

Type: Query
Authentication: Protected Get the application status for the current user.
​
No input parameters
​
status
enum
The user’s application status
Example: 
const myStatus = await trpc.application.status.useQuery();
// Returns: "ACCEPTED"

​
qr

Type: Query
Authentication: Protected Get the QR code for the current user.
​
No input parameters
​
qrcode
string
The user’s QR code
Example: 
const qrCode = await trpc.application.qr.useQuery();

​
rsvp

Type: Mutation
Authentication: Protected (user must have ACCEPTED status) Submit an RSVP for an accepted application.
​
rsvpCheck
boolean
required
Confirmation of RSVP
​
dietaryRestrictions
string
Dietary restrictions or preferences
Example: 
await trpc.application.rsvp.mutate({
  rsvpCheck: true,
  dietaryRestrictions: "Vegetarian, no nuts"
});

​
getPrevAutofill

Type: Query
Authentication: Protected Get previous application data for autofill (from DH11 or DH10 applications).
​
No input parameters
​
firstName
string
First name from previous application
​
lastName
string
Last name from previous application
​
birthday
date
Birthday from previous application
​
studyEnrolledPostSecondary
boolean
Whether enrolled in post-secondary education
​
studyLocation
string
School/university name
​
studyDegree
string
Degree program
​
studyMajor
string
Major/field of study
​
Other fields
various
Additional fields from previous applications (interests, workshops, emergency contact, etc.)
Example: 
const autofillData = await trpc.application.getPrevAutofill.useQuery();

​
submitDh12

Type: Mutation
Authentication: Protected Submit a DeltaHacks 12 application.
​
firstName
string
required
First name (1-255 characters)
​
lastName
string
required
Last name (1-255 characters)
​
birthday
date
required
Date of birth (must be at least 13 years old)
​
phone
string
Valid mobile phone number
​
country
string
required
Country of residence
​
studyEnrolledPostSecondary
boolean
required
Whether enrolled in post-secondary education
​
studyLocation
string
School/university name
​
studyDegree
string
Degree program
​
studyMajor
string
Major/field of study
​
studyYearOfStudy
string
Current year of study
​
studyExpectedGraduation
date
Expected graduation date
​
previousHackathonsCount
number
required
Number of previous hackathons attended (minimum 0)
​
longAnswerSocratica
string
required
Answer to Socratica question (max 150 words)
​
longAnswerHobby
string
required
Answer to hobby question (max 150 words)
​
longAnswerWhy
string
required
Answer to “why” question (max 150 words)
​
longAnswerTime
string
required
Answer to time question (max 150 words)
​
longAnswerSkill
string
required
Answer to skill question (max 150 words)
​
socialText
string[]
required
Social media links
​
interests
string
Interests (max 150 words)
​
linkToResume
string
Link to resume
​
tshirtSize
enum
required
T-shirt size (XS, S, M, L, XL)
​
hackerKind
string[]
required
Types of hacking interests (at least 1 required)
​
alreadyHaveTeam
boolean
required
Whether the applicant already has a team
​
workshopChoices
string[]
required
Workshop preferences
​
discoverdFrom
string[]
required
How the applicant heard about DeltaHacks (at least 1 required)
​
considerCoffee
boolean
required
Whether to consider coffee chat
​
dietaryRestrictions
string
Dietary restrictions
​
underrepresented
enum
Underrepresented status (YES, NO, UNSURE)
​
gender
string
Gender identity
​
race
string
Race/ethnicity
​
orientation
string
Sexual orientation
​
emergencyContactName
string
required
Emergency contact name
​
emergencyContactPhone
string
required
Emergency contact phone (must be valid)
​
emergencyContactRelation
string
required
Relationship to emergency contact
​
agreeToMLHCodeOfConduct
boolean
required
Must be true
​
agreeToMLHPrivacyPolicy
boolean
required
Must be true
​
agreeToMLHCommunications
boolean
required
MLH communications consent
Example: 
await trpc.application.submitDh12.mutate({
  firstName: "John",
  lastName: "Doe",
  birthday: new Date("2000-01-01"),
  country: "Canada",
  studyEnrolledPostSecondary: true,
  studyLocation: "McMaster University",
  // ... other required fields
});

​
deleteApplication

Type: Mutation
Authentication: Protected Delete the current user’s DH12 application.
​
No input parameters
Example: 
await trpc.application.deleteApplication.mutate();

​
getWifiConfig

Type: Query
Authentication: Protected Get WiFi configuration for the event.
​
No input parameters
​
name
string
WiFi network name
​
password
string
WiFi password
Example: 
const wifi = await trpc.application.getWifiConfig.useQuery();
// Returns: { name: "DeltaHacks", password: "secret123" }

Build docs developers (and LLMs) love

Get started for freeTalk to us