80 lines
2.1 KiB
Go
80 lines
2.1 KiB
Go
package handlers
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import (
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"log/slog"
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"net/http"
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"strconv"
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"github.com/go-chi/chi/v5"
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"git.seaofstars.xyz/mohd/deflated/internal/db"
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)
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// ItemHandler handles routes that return price and inflation data.
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type ItemHandler struct {
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queries *db.Queries
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}
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func NewItemHandler(queries *db.Queries) *ItemHandler {
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return &ItemHandler{queries: queries}
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}
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// List handles GET /api/items
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func (h *ItemHandler) List(w http.ResponseWriter, r *http.Request) {
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items, err := h.queries.ListCanonicalItems(r.Context())
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if err != nil {
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slog.Error("list items", "error", err)
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writeError(w, http.StatusInternalServerError, "database error")
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return
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}
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writeJSON(w, http.StatusOK, items)
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}
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// PriceHistory handles GET /api/items/{name}/history
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func (h *ItemHandler) PriceHistory(w http.ResponseWriter, r *http.Request) {
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name := chi.URLParam(r, "name")
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history, err := h.queries.GetPriceHistory(r.Context(), name)
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if err != nil {
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slog.Error("get price history", "error", err, "name", name)
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writeError(w, http.StatusInternalServerError, "database error")
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return
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}
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writeJSON(w, http.StatusOK, history)
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}
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// TopMovers handles GET /api/items/top-movers?months=12&limit=10
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func (h *ItemHandler) TopMovers(w http.ResponseWriter, r *http.Request) {
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months, _ := strconv.Atoi(r.URL.Query().Get("months"))
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if months <= 0 {
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months = 12
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}
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limit, _ := strconv.Atoi(r.URL.Query().Get("limit"))
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if limit <= 0 {
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limit = 10
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}
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movers, err := h.queries.GetTopMovers(r.Context(), months, limit)
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if err != nil {
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slog.Error("get top movers", "error", err)
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writeError(w, http.StatusInternalServerError, "database error")
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return
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}
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writeJSON(w, http.StatusOK, movers)
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}
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// InflationSummary handles GET /api/inflation/summary?base_year=2009
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func (h *ItemHandler) InflationSummary(w http.ResponseWriter, r *http.Request) {
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baseYear, _ := strconv.Atoi(r.URL.Query().Get("base_year"))
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if baseYear <= 0 {
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baseYear = 2009
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}
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summary, err := h.queries.GetInflationSummary(r.Context(), baseYear)
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if err != nil {
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slog.Error("get inflation summary", "error", err)
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writeError(w, http.StatusInternalServerError, "database error")
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return
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}
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writeJSON(w, http.StatusOK, summary)
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}
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