41 lines
844 B
Go
41 lines
844 B
Go
package handlers
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import (
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"context"
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"net/http"
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"strconv"
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"github.com/jackc/pgx/v5/pgxpool"
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)
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type ctxKey string
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const poolKey ctxKey = "pgpool"
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func WithPool(next http.Handler, pool *pgxpool.Pool) http.Handler {
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return http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
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ctx := context.WithValue(r.Context(), poolKey, pool)
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next.ServeHTTP(w, r.WithContext(ctx))
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})
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}
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func poolFrom(r *http.Request) *pgxpool.Pool {
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return r.Context().Value(poolKey).(*pgxpool.Pool)
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}
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func parsePage(r *http.Request) (page, limit int) {
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page = 1
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limit = 20
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if v := r.URL.Query().Get("page"); v != "" {
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if n, err := strconv.Atoi(v); err == nil && n > 0 {
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page = n
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}
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}
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if v := r.URL.Query().Get("limit"); v != "" {
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if n, err := strconv.Atoi(v); err == nil && n > 0 && n <= 100 {
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limit = n
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}
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}
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return page, limit
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}
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