From 0c996d6836defcc190a4f071437d95cb1f5140cb Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?John=20Ankarstr=C3=B6m?= <john@ankarstrom.se>
Date: Mon, 4 Apr 2022 01:22:58 +0200
Subject: Rewrite episode data code.

TODO: Ignore duplicate hints.
---
 c/datalistview.c    | 77 +++++++++++++++++++++--------------------------------
 c/episodelistview.c | 18 ++++++++-----
 2 files changed, 41 insertions(+), 54 deletions(-)

(limited to 'c')

diff --git a/c/datalistview.c b/c/datalistview.c
index fe16913..829f6d6 100644
--- a/c/datalistview.c
+++ b/c/datalistview.c
@@ -36,6 +36,7 @@ DlvShowEpisode(int iEpisode)
 {
 	LVITEM lviKey, lviValue;
 	term_t t;
+	qid_t q;
 
 	ListView_DeleteAllItems(HDlv);
 
@@ -44,54 +45,36 @@ DlvShowEpisode(int iEpisode)
 
 	t = T(3);
 	PI(t,iEpisode) return;
-	P("episode_data","lookup_episode_local",3,t) return;
-
-	/* The episode data is a list of unary compounds, whose
-	 * functor is the key and whose argument is the value.
-	 * (Perhaps this should really be implemented in Prolog.) */
-
-	{
-		term_t tHead, tList;
-
-		tHead = PL_new_term_ref();
-		tList = PL_copy_term_ref(t+2);
-
-		for (int i = 0; PL_get_list(tList, tHead, tList); i++) {
-			atom_t aKey;
-			const char *szKey;
-			char *szValue;
-			TCHAR *tszKey, *tszValue;
-			term_t tValue;
-			size_t iArity;
-
-			if (!PL_get_name_arity(tHead,&aKey,&iArity)) continue;
-			szKey = PL_atom_chars(aKey);
-			if (!szKey) continue;
-
-			tValue = PL_new_term_ref();
-			if (!PL_get_arg(1, tHead, tValue)) continue;
-			GAC(tValue,&szValue) continue;
-
-			tszKey = TszFromSz(szKey, CP_UTF8);
-			if (!tszKey) continue;
-			tszValue = TszFromSz(szValue, CP_UTF8);
-			if (!tszValue) goto c;
-
-			lviKey.mask = LVIF_TEXT;
-			lviKey.iItem = i;
-			lviKey.iSubItem = 0;
-			lviKey.pszText = tszKey;
-			ListView_InsertItem(HDlv, &lviKey);
-
-			lviValue.iItem = i;
-			lviValue.iSubItem = 1;
-			lviValue.pszText = tszValue;
-			ListView_SetItem(HDlv, &lviValue);
-
-			free(tszValue);
-		c:	free(tszKey);
-		}
+	q = Q("episode_data","episode_datum",3,t);
+
+	for (int i = 0; Qn(q); i++) {
+		char *szKey;
+		char *szValue;
+		TCHAR *tszKey, *tszValue;
+
+		GAC(t+1,&szKey) continue;
+		GAC(t+2,&szValue) continue;
+
+		tszKey = TszFromSz(szKey, CP_UTF8);
+		if (!tszKey) continue;
+		tszValue = TszFromSz(szValue, CP_UTF8);
+		if (!tszValue) goto c;
+
+		lviKey.mask = LVIF_TEXT;
+		lviKey.iItem = i;
+		lviKey.iSubItem = 0;
+		lviKey.pszText = tszKey;
+		ListView_InsertItem(HDlv, &lviKey);
+
+		lviValue.iItem = i;
+		lviValue.iSubItem = 1;
+		lviValue.pszText = tszValue;
+		ListView_SetItem(HDlv, &lviValue);
+
+		free(tszValue);
+	c:	free(tszKey);
 	}
 
+	Qc(q);
 	UpdateLayout();
 }
diff --git a/c/episodelistview.c b/c/episodelistview.c
index 0a85635..1389f53 100644
--- a/c/episodelistview.c
+++ b/c/episodelistview.c
@@ -175,6 +175,7 @@ ElvUpdate()
 	lviName.mask = LVIF_TEXT;
 
 	t = T(1);
+	P("episode_data","ensure_episode_data",0,t) return;
 	P("episode_data","episode_count",1,t) return;
 	GI(t,&iEpisodes) return;
 
@@ -182,15 +183,15 @@ ElvUpdate()
 		char *szName;
 		int cb;
 		TCHAR *tszEpisode, *tszName;
-		term_t t2;
+		term_t t;
 
 		/* Format name string. */
 
-		t2 = T(3);
-		PI(t2,i+1) return;
+		t = T(2);
+		PI(t,i+1) return;
 		tszName = NULL;
-		P("episode_data","lookup_episode_local",3,t2) goto ep;
-		GAC(t2+1,&szName) goto ep;
+		P("episode_data","episode_title",2,t) goto ep;
+		GAC(t+1,&szName) goto ep;
 		tszName = TszFromSz(szName, CP_UTF8);
 		if (!tszName) return;
 
@@ -239,9 +240,12 @@ ElvUpdateName(LPLVITEM lpLvi)
 	TCHAR *tszName;
 	term_t t;
 
-	t = T(3);
+	t = T(2);
 	PI(t,lpLvi->lParam) return;
-	P("episode_data","lookup_episode",3,t) return;
+	P("episode_data","episode_title",2,t) {
+		P("episode_data","fetch_episode_data",0,t) return;
+		P("episode_data","episode_title",2,t) return;
+	}
 	GAC(t+1,&szName) return;
 
 	tszName = TszFromSz(szName, CP_UTF8);
-- 
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