Fix local price fetching

resources/migrations/20260908154500-drop-day-ahead-time-dk-unique-index.down.sql

@@ -0,0 +1,2 @@
+CREATE UNIQUE INDEX IF NOT EXISTS idx_day_ahead_prices_time_dk_area
+  ON day_ahead_prices (time_dk, price_area);

resources/migrations/20260908154500-drop-day-ahead-time-dk-unique-index.up.sql

@@ -0,0 +1 @@
+DROP INDEX IF EXISTS idx_day_ahead_prices_time_dk_area;

resources/queries.sql

@@ -1,10 +1,11 @@
 -- :name insert-price! :! :n
--- :doc Insert a day-ahead price record, update DKK if it was null
+-- :doc Insert/update a day-ahead price record
 INSERT INTO day_ahead_prices (time_utc, time_dk, price_area, price_dkk, price_eur)
 VALUES (:time-utc, :time-dk, :price-area, :price-dkk, :price-eur)
-ON CONFLICT (time_dk, price_area) DO UPDATE SET
+ON CONFLICT (time_utc, price_area) DO UPDATE SET
-  price_dkk = COALESCE(day_ahead_prices.price_dkk, EXCLUDED.price_dkk),
+  time_dk   = EXCLUDED.time_dk,
-  price_eur = COALESCE(day_ahead_prices.price_eur, EXCLUDED.price_eur);
+  price_dkk = EXCLUDED.price_dkk,
+  price_eur = EXCLUDED.price_eur;
 
 -- :name get-prices-for-date :? :*
 -- :doc Get all prices for a given date (time_dk local date) and price area

run-local.sh

@@ -0,0 +1,68 @@
+#!/usr/bin/env bash
+set -euo pipefail
+
+# Run the app locally without Docker.
+# Loads environment variables from .env and the Eloverblik refresh token from .token.
+
+ROOT_DIR="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"
+cd "$ROOT_DIR"
+
+load_env_file() {
+  local file="$1"
+
+  [[ -f "$file" ]] || return 0
+
+  while IFS= read -r line || [[ -n "$line" ]]; do
+    # Trim CR from CRLF files.
+    line="${line%$'\r'}"
+
+    # Skip blank lines and full-line comments.
+    [[ -z "${line//[[:space:]]/}" || "$line" =~ ^[[:space:]]*# ]] && continue
+
+    # Allow lines prefixed with "export ".
+    line="${line#export }"
+
+    local key="${line%%=*}"
+    local value="${line#*=}"
+
+    # Trim whitespace around the key only; preserve value contents (e.g. JDBC_URL query strings).
+    key="$(printf '%s' "$key" | xargs)"
+
+    if [[ ! "$key" =~ ^[A-Za-z_][A-Za-z0-9_]*$ || "$line" != *=* ]]; then
+      echo "Skipping invalid env line in $file: $line" >&2
+      continue
+    fi
+
+    # Remove one matching pair of surrounding quotes, if present.
+    if [[ "$value" =~ ^\".*\"$ || "$value" =~ ^\'.*\'$ ]]; then
+      value="${value:1:${#value}-2}"
+    fi
+
+    export "$key=$value"
+  done < "$file"
+}
+
+load_env_file ".env"
+
+if [[ -f ".token" && -z "${ELOVERBLIK_TOKEN:-}" ]]; then
+  ELOVERBLIK_TOKEN="$(tr -d '\r\n' < .token)"
+  export ELOVERBLIK_TOKEN
+fi
+
+: "${PORT:=3000}"
+export PORT
+
+# Energi Data Service currently serves only the leaf certificate. Allow the JVM
+# to fetch missing intermediate CA certificates from the certificate AIA URL.
+export JAVA_TOOL_OPTIONS="${JAVA_TOOL_OPTIONS:-} -Dcom.sun.security.enableAIAcaIssuers=true"
+
+echo "Starting elprice locally on port $PORT (no Docker)..."
+
+# `clj` requires rlwrap for REPL command editing. Fall back to `clojure`
+# when rlwrap is not installed so the app can still start.
+if command -v rlwrap >/dev/null 2>&1; then
+  exec clj -M:dev -e "(dev-prep!) (go)" -r
+else
+  echo "rlwrap not found; using clojure instead of clj (REPL editing disabled)." >&2
+  exec clojure -M:dev -e "(dev-prep!) (go)" -r
+fi

src/clj/pmagnus/elprice/web/controllers/prices.clj

@@ -123,3 +123,13 @@
 (defn get-tomorrow-prices
   [query-fn]
   (get-prices-for-date query-fn (.plusDays (LocalDate/now dk-zone) 1) "DK1"))
+
+
+(defn ensure-current-prices!
+  "Fetch prices only when today's DK1 prices are missing from the database."
+  [query-fn]
+  (if (seq (get-today-prices query-fn))
+    (do
+      (log/info "Day-ahead prices already exist; skipping API fetch")
+      nil)
+    (fetch-and-save! query-fn)))

src/clj/pmagnus/elprice/web/routes/ui.clj

@@ -184,7 +184,7 @@
 
 (defn home
   [query-fn request]
-  (prices/fetch-and-save! query-fn)
+  (prices/ensure-current-prices! query-fn)
   (page {:lang "en"}
         [:h1 {:class "text-2xl font-bold text-gray-900 cursor-pointer hover:text-blue-600 transition-colors"
               :hx-post "/prices/fetch"
@@ -211,7 +211,7 @@
 
 (defn fetch-prices
   [query-fn request]
-  (prices/fetch-and-save! query-fn)
+  (prices/ensure-current-prices! query-fn)
   (fragment
     (price-content :today (prices/get-today-prices query-fn) (has-tomorrow? query-fn))))