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26 lines
714 B
26 lines
714 B
2 years ago
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package relation
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import (
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"Open_IM/pkg/utils"
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"gorm.io/gorm"
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)
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func gormPage[E any](db *gorm.DB, pageNumber, showNumber int32) (int32, []*E, error) {
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var count int64
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if err := db.Model(new(E)).Count(&count).Error; err != nil {
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return 0, nil, utils.Wrap(err, "")
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}
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var es []*E
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if err := db.Limit(int(showNumber)).Offset(int(pageNumber * showNumber)).Find(&es).Error; err != nil {
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return 0, nil, utils.Wrap(err, "")
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}
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return int32(count), es, nil
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}
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func gormSearch[E any](db *gorm.DB, field string, value string, pageNumber, showNumber int32) (int32, []*E, error) {
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if field != "" && value != "" {
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db = db.Where(field+" like ?", "%"+value+"%")
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}
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return gormPage[E](db, pageNumber, showNumber)
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}
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