From 3779d6ff9924131fadd43488f98385d620409a21 Mon Sep 17 00:00:00 2001
From: Meutel <meutel@meutel.net>
Date: Sat, 31 Dec 2016 10:52:48 +0100
Subject: [PATCH] Book count

---
 db.c     | 21 +++++++++++++++++++++
 extern.h |  1 +
 index.js |  5 ++---
 main.c   |  2 +-
 4 files changed, 25 insertions(+), 4 deletions(-)

diff --git a/db.c b/db.c
index 15ff038..3ec3297 100644
--- a/db.c
+++ b/db.c
@@ -31,6 +31,7 @@
 enum    stmt {
   STMT_BOOK,
   STMT_BOOKS,
+  STMT_BOOKS_COUNT,
   STMT_BOOKS_AUTHORS,
   STMT__MAX
 };
@@ -40,6 +41,8 @@ static const char *const stmts[STMT__MAX] = {
   "SELECT books.id AS id,title,series_index,name as series_name,series.id AS series_id FROM books LEFT OUTER JOIN books_series_link ON books.id = books_series_link.book LEFT OUTER JOIN series ON series.id = books_series_link.series WHERE books.id = ?",
   /* STMT_BOOKS */
   "SELECT books.id AS id,title,series_index,name as series_name,series.id AS series_id FROM books LEFT OUTER JOIN books_series_link ON books.id = books_series_link.book LEFT OUTER JOIN series ON series.id = books_series_link.series ORDER BY id LIMIT ? OFFSET ?",
+  /* STMT_BOOKS_COUNT */
+  "SELECT count(id) FROM books",
   /* STMT_BOOKS_AUTHORS */
   "SELECT authors.id, authors.name, books_authors_link.book as book FROM authors, books_authors_link WHERE books_authors_link.author = authors.id AND books_authors_link.book IN ( SELECT id FROM books ORDER BY id LIMIT ? OFFSET ?)",
 };
@@ -115,6 +118,24 @@ db_book_fill(Book *book, struct ksqlstmt *stmt)
   }
 }
 
+int
+db_books_count(struct kreq *r)
+{
+  int count;
+  struct ksqlstmt *stmt;
+
+  ksql_stmt_alloc(r->arg, &stmt, 
+            stmts[STMT_BOOKS_COUNT], 
+            STMT_BOOKS_COUNT);
+  if (KSQL_ROW != ksql_stmt_step(stmt)) {
+    ksql_stmt_free(stmt);
+    return(0);
+  }
+  count = ksql_stmt_int(stmt, 0);
+  ksql_stmt_free(stmt);
+  return(count);
+}
+
 int
 db_books_load(struct kreq *r, BookAdv **books, int limit, int offset)
 {
diff --git a/extern.h b/extern.h
index 399ae35..26e6424 100644
--- a/extern.h
+++ b/extern.h
@@ -61,6 +61,7 @@ __BEGIN_DECLS
 
 Book *db_book_load(struct kreq *r, int64_t id);
 int db_books_load(struct kreq *r, BookAdv **books, int limit, int offset);
+int db_books_count(struct kreq *r);
 void db_book_free(Book *p);
 void db_book_adv_free(BookAdv *p);
 
diff --git a/index.js b/index.js
index 93098de..299df17 100644
--- a/index.js
+++ b/index.js
@@ -37,12 +37,11 @@
   }
 
   function indexSuccess(resp) {
-    app.booksCount = 9999; //TODO
+    app.booksCount = resp.count;
   }
 
 	function loadIndex() {
-    // TODO load books count
-		sendQuery('cgi-bin/bouquins/books', stdError, indexSuccess);
+		sendQuery('cgi-bin/bouquins/index', stdError, indexSuccess);
 	}
 
 	function loadBooks() {
diff --git a/main.c b/main.c
index 2615c3c..49fc77d 100644
--- a/main.c
+++ b/main.c
@@ -214,7 +214,7 @@ sendindex(struct kreq *r)
   http_open(r, KHTTP_200);
   kjson_open(&req, r);
   kjson_obj_open(&req);
-  kjson_putstringp(&req, "data", "index");
+  kjson_putintp(&req, "count", db_books_count(r));
   kjson_obj_close(&req);
   kjson_close(&req);
 }