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d9f90e3b46
The ON CONFLICT upsert referenced unqualified "bought" which PostgreSQL rejected as ambiguous, and the table lacked the UNIQUE constraint needed for ON CONFLICT. Adds a unique index on (character_id, shop_item_id) via migration 0003 and qualifies the column as shop_items_bought.bought.
48 lines
1.9 KiB
Go
48 lines
1.9 KiB
Go
package channelserver
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import (
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"github.com/jmoiron/sqlx"
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)
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// ShopRepository centralizes all database access for shop-related tables.
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type ShopRepository struct {
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db *sqlx.DB
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}
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// NewShopRepository creates a new ShopRepository.
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func NewShopRepository(db *sqlx.DB) *ShopRepository {
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return &ShopRepository{db: db}
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}
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// GetShopItems returns shop items with per-character purchase counts.
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func (r *ShopRepository) GetShopItems(shopType uint8, shopID uint32, charID uint32) ([]ShopItem, error) {
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var result []ShopItem
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err := r.db.Select(&result, `SELECT id, item_id, cost, quantity, min_hr, min_sr, min_gr, store_level, max_quantity,
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COALESCE((SELECT bought FROM shop_items_bought WHERE shop_item_id=si.id AND character_id=$3), 0) as used_quantity,
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road_floors, road_fatalis FROM shop_items si WHERE shop_type=$1 AND shop_id=$2
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`, shopType, shopID, charID)
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return result, err
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}
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// RecordPurchase upserts a purchase record, adding to the bought count.
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func (r *ShopRepository) RecordPurchase(charID, shopItemID, quantity uint32) error {
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_, err := r.db.Exec(`INSERT INTO shop_items_bought (character_id, shop_item_id, bought)
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VALUES ($1,$2,$3) ON CONFLICT (character_id, shop_item_id)
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DO UPDATE SET bought = shop_items_bought.bought + $3
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`, charID, shopItemID, quantity)
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return err
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}
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// GetFpointItem returns the quantity and fpoints cost for a frontier point item.
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func (r *ShopRepository) GetFpointItem(tradeID uint32) (quantity, fpoints int, err error) {
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err = r.db.QueryRow("SELECT quantity, fpoints FROM fpoint_items WHERE id=$1", tradeID).Scan(&quantity, &fpoints)
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return
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}
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// GetFpointExchangeList returns all frontier point exchange items ordered by buyable status.
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func (r *ShopRepository) GetFpointExchangeList() ([]FPointExchange, error) {
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var result []FPointExchange
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err := r.db.Select(&result, `SELECT id, item_type, item_id, quantity, fpoints, buyable FROM fpoint_items ORDER BY buyable DESC`)
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return result, err
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}
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