116 lines
2.2 KiB
Go
116 lines
2.2 KiB
Go
package main
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import (
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"database/sql"
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"encoding/json"
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"fmt"
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"log"
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)
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type Member struct {
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Name string `json:"name"`
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DietaryPreferences string `json:"dietaryPreferences"`
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Child bool `json:"child"`
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}
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type Rsvp struct {
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Id int64 `json:"id"`
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Attending bool `json:"attending"`
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PartySize int64 `json:"partySize"`
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PartyMembers []Member `json:"partyMembers"`
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}
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func SetupRsvpsTable(db *sql.DB) {
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_, err := db.Exec(`CREATE TABLE IF NOT EXISTS rsvps (
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id INTEGER PRIMARY KEY AUTOINCREMENT,
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attending BOOLEAN NOT NULL,
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partySize INTEGER NOT NULL,
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partyMembers BLOB NOT NULL
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);`)
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if err != nil {
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log.Fatalf("failed to create rsvp table: %s", err.Error())
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}
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}
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func GetRsvps(db *sql.DB) ([]Rsvp, error) {
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rows, err := db.Query("SELECT * FROM rsvps ORDER BY id DESC;")
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if err != nil {
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return nil, err
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}
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defer rows.Close()
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rsvps := make([]Rsvp, 0)
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for rows.Next() {
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var id int64
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var attending bool
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var partySize int64
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var rawPartyMembers []byte
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err = rows.Scan(&id, &attending, &partySize, &rawPartyMembers)
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if err != nil {
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return nil, err
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}
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var members []Member
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err := json.Unmarshal(rawPartyMembers, &members)
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if err != nil {
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return nil, err
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}
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rsvps = append(rsvps, Rsvp{
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Id: id,
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Attending: attending,
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PartySize: partySize,
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PartyMembers: members,
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})
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}
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return rsvps, nil
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}
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func (rsvp *Rsvp) CreateRsvp(db *sql.DB) (int64, error) {
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partyMembersBytes, err := json.Marshal(rsvp.PartyMembers)
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if err != nil {
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return -1, err
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}
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result, err := db.Exec(
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"INSERT INTO rsvps (attending, partySize, partyMembers) VALUES (?, ?, ?);",
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rsvp.Attending,
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rsvp.PartySize,
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partyMembersBytes,
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)
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if err != nil {
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return -1, err
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}
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id, err := result.LastInsertId()
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if err != nil {
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return -1, err
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}
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rsvp.Id = id
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return id, nil
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}
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type RsvpPublisher interface {
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PublishNewRsvpNotification(rsvp *Rsvp) (string, error)
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}
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func SendRsvpNotification(publisher RsvpPublisher, rsvp *Rsvp) {
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resp, err := publisher.PublishNewRsvpNotification(rsvp)
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if err != nil {
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fmt.Printf("failed publishing notification: %s\n", err.Error())
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}
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fmt.Printf("published notification: %s\n", resp)
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}
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