Add meilisearch for user and event

Signed-off-by: Asai Neko <sugar@sne.moe>

data/event.go

@@ -5,7 +5,9 @@ import (
 	"slices"
 	"time"
 
+	"github.com/go-viper/mapstructure/v2"
 	"github.com/google/uuid"
+	"github.com/meilisearch/meilisearch-go"
 	"gorm.io/datatypes"
 	"gorm.io/gorm"
 	"gorm.io/gorm/clause"
@@ -21,6 +23,13 @@ type Event struct {
 	JoinedUsers datatypes.JSONSlice[uuid.UUID] `json:"joined_users"`
 }
 
+type EventSearchDoc struct {
+	EventId   string    `json:"event_id"`
+	Name      string    `json:"name"`
+	StartTime time.Time `json:"start_time"`
+	EndTime   time.Time `json:"end_time"`
+}
+
 func (self *Event) GetEventById(eventId uuid.UUID) error {
 	return Database.Transaction(func(tx *gorm.DB) error {
 		if err := tx.Where("event_id = ?", eventId).First(&self).Error; err != nil {
@@ -35,6 +44,21 @@ func (self *Event) UpdateEventById(eventId uuid.UUID) error {
 		if err := tx.Model(&Event{}).Where("event_id = ?", eventId).Updates(&self).Error; err != nil {
 			return err
 		}
+
+		// Update event to document index
+		doc := EventSearchDoc{
+			EventId:   self.EventId.String(),
+			Name:      self.Name,
+			StartTime: self.StartTime,
+			EndTime:   self.EndTime,
+		}
+		index := MeiliSearch.Index("event")
+		docPrimaryKey := "event_id"
+		meiliOptions := &meilisearch.DocumentOptions{PrimaryKey: &docPrimaryKey}
+		if _, err := index.UpdateDocuments([]EventSearchDoc{doc}, meiliOptions); err != nil {
+			return err
+		}
+
 		return nil
 	})
 }
@@ -51,6 +75,21 @@ func (self *Event) CreateEvent() error {
 		if err := tx.Create(&self).Error; err != nil {
 			return err
 		}
+
+		// Add event to document index
+		doc := EventSearchDoc{
+			EventId:   self.EventId.String(),
+			Name:      self.Name,
+			StartTime: self.StartTime,
+			EndTime:   self.EndTime,
+		}
+		index := MeiliSearch.Index("event")
+		docPrimaryKey := "event_id"
+		meiliOptions := &meilisearch.DocumentOptions{PrimaryKey: &docPrimaryKey}
+		if _, err := index.AddDocuments([]EventSearchDoc{doc}, meiliOptions); err != nil {
+			return err
+		}
+
 		return nil
 	})
 }
@@ -79,3 +118,19 @@ func (self *Event) UserJoinEvent(userId, eventId uuid.UUID) error {
 		return nil
 	})
 }
+
+func (self *Event) FastListEvents(limit, offset int64) ([]EventSearchDoc, error) {
+	index := MeiliSearch.Index("event")
+	result, err := index.Search("", &meilisearch.SearchRequest{
+		Limit:  limit,
+		Offset: offset,
+	})
+	if err != nil {
+		return nil, err
+	}
+	var list []EventSearchDoc
+	if err := mapstructure.Decode(result.Hits, &list); err != nil {
+		return nil, err
+	}
+	return list, nil
+}