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repo.go
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repo.go
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package mong
import (
"context"
"github.com/fess932/hsng/graph/model"
"go.mongodb.org/mongo-driver/bson"
"go.mongodb.org/mongo-driver/mongo"
"log"
"time"
)
type Repo struct {
context context.Context
rwTimeout time.Duration
db *mongo.Database
}
func New(ctx context.Context, rwTimeout time.Duration, db *mongo.Database) *Repo {
return &Repo{
db: db,
rwTimeout: rwTimeout,
context: ctx,
}
}
func (r *Repo) ReadAllMessages() []*model.Message {
ctx, cancel := context.WithTimeout(r.context, r.rwTimeout)
defer cancel()
collection := r.db.Collection("messages")
cur, err := collection.Find(ctx, bson.D{})
if err != nil {
log.Fatal("find all in messages", err)
}
defer cur.Close(ctx)
var msgs []*model.Message
for cur.Next(ctx) {
var msg model.Message
err := cur.Decode(&msg)
if err != nil {
log.Fatal("decode msg: ", err)
}
msgs = append(msgs, &msg)
}
if err := cur.Err(); err != nil {
log.Fatal(err)
}
return msgs
}
func (r *Repo) SaveMessage(message *model.Message) {
ctx, cancel := context.WithTimeout(r.context, r.rwTimeout)
defer cancel()
collection := r.db.Collection("messages")
res, err := collection.InsertOne(ctx, bson.D{{"text", message.Text}})
if err != nil {
log.Fatal(err)
}
log.Println("inserted id: ", res.InsertedID)
}