2020-02-09 15:26:59 +01:00
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package models
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import (
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"fmt"
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2020-02-24 09:59:20 +01:00
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"log"
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2020-02-09 15:26:59 +01:00
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)
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2020-10-13 17:27:28 +02:00
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func (filter *Filter) FormatSQL(context string) (string, error) {
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2020-11-28 21:29:31 +01:00
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// TODO: Migrate method to gorm
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2020-02-09 15:26:59 +01:00
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if filter == nil {
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return "", nil
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}
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2020-10-13 17:27:28 +02:00
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orderByMap := make(map[string]string)
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orderByMap["media_date_shot"] = "media.date_shot"
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orderByMap["media_date_imported"] = "media.date_imported"
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orderByMap["media_title"] = "media.title"
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orderByMap["media_kind"] = "media.media_type, SUBSTRING_INDEX(media.path, '.', -1)"
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orderByMap["album_title"] = "album.title"
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2020-02-09 15:26:59 +01:00
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result := ""
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if filter.OrderBy != nil {
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2020-10-13 17:27:28 +02:00
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order_by, ok := orderByMap[context+"_"+*filter.OrderBy]
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if !ok {
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log.Printf("Invalid order column: '%s'\n", *filter.OrderBy)
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return "", nil
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2020-02-09 15:26:59 +01:00
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}
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2020-10-13 17:27:28 +02:00
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direction := "ASC"
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if filter.OrderDirection != nil && filter.OrderDirection.IsValid() {
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direction = filter.OrderDirection.String()
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2020-02-09 15:26:59 +01:00
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}
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2020-10-13 17:27:28 +02:00
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result += fmt.Sprintf(" ORDER BY %s %s", order_by, direction)
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2020-02-09 15:26:59 +01:00
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}
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2020-02-24 09:59:20 +01:00
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if filter.Limit != nil {
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offset := 0
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if filter.Offset != nil && *filter.Offset >= 0 {
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offset = *filter.Offset
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}
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result += fmt.Sprintf(" LIMIT %d OFFSET %d", *filter.Limit, offset)
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}
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log.Printf("SQL Filter: '%s'\n", result)
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2020-02-09 15:26:59 +01:00
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return result, nil
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}
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