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attendance.go
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package stores
import (
"context"
"go.mongodb.org/mongo-driver/bson"
"go.mongodb.org/mongo-driver/bson/primitive"
"go.mongodb.org/mongo-driver/mongo"
"go.mongodb.org/mongo-driver/mongo/options"
)
type AttendanceStore struct {
*store
}
const ATTENDANCE Collection = "attendance"
func newAttendanceStore(ctx context.Context, client *mongo.Client, database string) *AttendanceStore {
_ = client.Database(database).CreateCollection(ctx, string(ATTENDANCE))
s := &store{
Collection: client.Database(database).Collection(string(ATTENDANCE)),
ctx: ctx,
}
return &AttendanceStore{s}
}
func (c *Client) GetAttendanceStore() (*AttendanceStore, bool) {
storeInterface, ok := c.GetCollection(ATTENDANCE)
if !ok {
return nil, false
}
return storeInterface.(*AttendanceStore), ok
}
func (s *AttendanceStore) Create(attendance any) error {
_, err := s.InsertOne(s.ctx, attendance)
return err
}
func (s *AttendanceStore) Get(id string) (*mongo.Cursor, error) {
pipeline := bson.A{
bson.D{{Key: "$match", Value: bson.D{{Key: "_id", Value: id}}}},
bson.D{
{Key: "$lookup",
Value: bson.D{
{Key: "from", Value: "members"},
{Key: "localField", Value: "with_issues"},
{Key: "foreignField", Value: "_id"},
{Key: "as", Value: "with_issues"},
},
},
},
bson.D{
{Key: "$lookup",
Value: bson.D{
{Key: "from", Value: "members"},
{Key: "localField", Value: "members"},
{Key: "foreignField", Value: "_id"},
{Key: "as", Value: "members"},
},
},
},
bson.D{
{Key: "$lookup",
Value: bson.D{
{Key: "from", Value: "members"},
{Key: "localField", Value: "submitted_by"},
{Key: "foreignField", Value: "_id"},
{Key: "as", Value: "submitted_by"},
},
},
},
bson.D{
{Key: "$unwind",
Value: bson.D{
{Key: "path", Value: "$submitted_by"},
},
},
},
}
cur, err := s.Aggregate(s.ctx, pipeline)
if err != nil {
return nil, err
}
return cur, nil
}
// List retrieves a list of attendance records from the database, optionally filtered by the provided filter and limited to the specified number of records.
//
// Parameters:
// - filter: An interface{} representing the filter to apply to the query.
// - limit: An int64 representing the maximum number of records to retrieve. If limit is 0, all records will be retrieved.
//
// Returns:
// - *mongo.Cursor: A cursor to iterate over the retrieved attendance records.
// - error: An error if the query operation fails.
func (s *AttendanceStore) List(filter interface{}, limit int, page int) (*mongo.Cursor, error) {
pipeline := bson.A{
bson.D{
{Key: "$lookup",
Value: bson.D{
{Key: "from", Value: "members"},
{Key: "localField", Value: "with_issues"},
{Key: "foreignField", Value: "_id"},
{Key: "as", Value: "with_issues"},
},
},
},
bson.D{
{Key: "$lookup",
Value: bson.D{
{Key: "from", Value: "members"},
{Key: "localField", Value: "members"},
{Key: "foreignField", Value: "_id"},
{Key: "as", Value: "members"},
},
},
},
bson.D{
{Key: "$lookup",
Value: bson.D{
{Key: "from", Value: "members"},
{Key: "localField", Value: "submitted_by"},
{Key: "foreignField", Value: "_id"},
{Key: "as", Value: "submitted_by"},
},
},
},
bson.D{
{Key: "$unwind",
Value: bson.D{
{Key: "path", Value: "$submitted_by"},
{Key: "includeArrayIndex", Value: "object"},
},
},
},
bson.D{{Key: "$match", Value: filter}},
bson.D{{Key: "$sort", Value: bson.D{{Key: "date_created", Value: -1}}}},
}
if limit > 0 {
if page == 0 {
page = 1
}
page = (page - 1) * limit
pipeline = append(pipeline, bson.D{{Key: "$skip", Value: page}}, bson.D{{Key: "$limit", Value: limit}})
}
cur, err := s.Aggregate(s.ctx, pipeline)
if err != nil {
return nil, err
}
return cur, nil
}
func (s *AttendanceStore) GetCount(memberId string) (int, error) {
pipeline := bson.A{
bson.D{
{Key: "$match",
Value: bson.D{
{Key: "$and",
Value: bson.A{
bson.D{{Key: "recorded", Value: true}},
bson.D{
{Key: "members",
Value: bson.D{
{Key: "$in",
Value: bson.A{
memberId,
},
},
},
},
},
},
},
},
},
},
bson.D{{Key: "$sort", Value: bson.D{{Key: "date_created", Value: 1}}}},
bson.D{
{Key: "$group",
Value: bson.D{
{Key: "_id", Value: primitive.Null{}},
{Key: "records",
Value: bson.D{
{Key: "$push",
Value: bson.D{
{Key: "_id", Value: "$_id"},
{Key: "name", Value: "$name"},
{Key: "date_created", Value: "$date_created"},
},
},
},
},
},
},
},
bson.D{
{Key: "$addFields",
Value: bson.D{
{Key: "recordsWithPrev",
Value: bson.D{
{Key: "$map",
Value: bson.D{
{Key: "input",
Value: bson.D{
{Key: "$range",
Value: bson.A{
0,
bson.D{{Key: "$size", Value: "$records"}},
},
},
},
},
{Key: "as", Value: "i"},
{Key: "in",
Value: bson.D{
{Key: "current",
Value: bson.D{
{Key: "$arrayElemAt",
Value: bson.A{
"$records",
"$$i",
},
},
},
},
{Key: "prev",
Value: bson.D{
{Key: "$switch",
Value: bson.D{
{Key: "branches",
Value: bson.A{
bson.D{
{Key: "case",
Value: bson.D{
{Key: "$eq",
Value: bson.A{
"$$i",
0,
},
},
},
},
{Key: "then", Value: primitive.Null{}},
},
},
},
{Key: "default",
Value: bson.D{
{Key: "$arrayElemAt",
Value: bson.A{
"$records",
bson.D{
{Key: "$subtract",
Value: bson.A{
"$$i",
1,
},
},
},
},
},
},
},
},
},
},
},
},
},
},
},
},
},
},
},
},
bson.D{{Key: "$unwind", Value: "$recordsWithPrev"}},
bson.D{
{Key: "$addFields",
Value: bson.D{
{Key: "time_delta_hours",
Value: bson.D{
{Key: "$round",
Value: bson.A{
bson.D{
{Key: "$divide",
Value: bson.A{
bson.D{
{Key: "$subtract",
Value: bson.A{
"$recordsWithPrev.current.date_created",
"$recordsWithPrev.prev.date_created",
},
},
},
3600000,
},
},
},
0,
},
},
},
},
},
},
},
bson.D{{Key: "$addFields", Value: bson.D{{Key: "date_created", Value: "$recordsWithPrev.current.date_created"}}}},
bson.D{{Key: "$sort", Value: bson.D{{Key: "date_created", Value: -1}}}},
bson.D{
{Key: "$group",
Value: bson.D{
{Key: "_id",
Value: bson.D{
{Key: "$switch",
Value: bson.D{
{Key: "branches",
Value: bson.A{
bson.D{
{Key: "case",
Value: bson.D{
{Key: "$and",
Value: bson.A{
bson.D{
{Key: "$lte",
Value: bson.A{
"$time_delta_hours",
8,
},
},
},
bson.D{
{Key: "$not",
Value: bson.A{
bson.D{
{Key: "$eq",
Value: bson.A{
"$recordsWithPrev.prev",
primitive.Null{},
},
},
},
},
},
},
},
},
},
},
{Key: "then",
Value: bson.D{
{Key: "$concat",
Value: bson.A{
bson.D{
{Key: "$dateToString",
Value: bson.D{
{Key: "date", Value: "$date_created"},
{Key: "format", Value: "%Y-%m-%d-%H"},
},
},
},
"-overlap",
},
},
},
},
},
},
},
{Key: "default",
Value: bson.D{
{Key: "$dateToString",
Value: bson.D{
{Key: "date", Value: "$date_created"},
{Key: "format", Value: "%Y-%m-%d-%H"},
},
},
},
},
},
},
},
},
{Key: "names", Value: bson.D{{Key: "$push", Value: "$recordsWithPrev.current.name"}}},
{Key: "ids", Value: bson.D{{Key: "$push", Value: "$recordsWithPrev.current._id"}}},
{Key: "count", Value: bson.D{{Key: "$sum", Value: 1}}},
},
},
},
bson.D{{Key: "$sort", Value: bson.D{{Key: "_id", Value: 1}}}},
bson.D{{Key: "$match", Value: bson.D{{Key: "_id", Value: bson.D{{Key: "$not", Value: bson.D{{Key: "$regex", Value: "overlap"}}}}}}}},
bson.D{{Key: "$count", Value: "count"}},
}
cur, err := s.Aggregate(s.ctx, pipeline)
if err != nil {
return 0, err
}
// get the count
var result bson.M
cur.Next(s.ctx)
if err := cur.Decode(&result); err != nil {
if err.Error() == "EOF" {
return 0, nil
}
return 0, err
}
return int(result["count"].(int32)), nil
}
func (s *AttendanceStore) Upsert(id string, attendance any) error {
_, err := s.UpdateOne(s.ctx, bson.M{"_id": id}, bson.M{"$set": attendance}, options.Update().SetUpsert(true))
return err
}
func (s *AttendanceStore) Delete(id string) error {
_, err := s.DeleteOne(s.ctx, bson.M{"_id": id})
return err
}