Search series

This commit is contained in:
Meutel 2017-01-15 14:46:06 +01:00
parent 114e075d6d
commit 0587faf352
3 changed files with 74 additions and 0 deletions

View File

@ -36,6 +36,11 @@
"FROM authors, books_authors_link, books_series_link "\
"WHERE books_authors_link.book = books_series_link.book AND books_authors_link.author = authors.id "\
"AND books_series_link.series IN ( SELECT id FROM series "
#define STMT_SERIES_SEARCH "SELECT series.id, series.name FROM series WHERE "
#define STMT_SEARCH_TERM " series.sort like ? "
#define STMT_BOOL_AND " AND "
#define STMT_BOOL_OR " OR "
#define STMT_SEARCH_ORDER " ORDER BY series.sort"
enum stmt {
STMT_SERIES_ID_ASC,
@ -334,3 +339,51 @@ db_series_load(struct kreq *r, SeriesAdv **series, const char *sort, const char
return count;
}
int
db_series_search(struct kreq *r, int limit, Series** series, const char **terms, int num, int all)
{
if (limit < 0) {
return 0;
}
struct ksqlstmt *stmt;
int i, count = 0;
size_t sqlsz = sizeof(STMT_SERIES_SEARCH)
+ num * sizeof(STMT_SEARCH_TERM)
+ (num-1) * sizeof(STMT_BOOL_AND)
+ sizeof(STMT_SEARCH_ORDER);
char *sql = kcalloc(sqlsz, sizeof(char));
strlcat(sql, STMT_SERIES_SEARCH, sqlsz);
for (i=0; i<num; i++) {
strlcat(sql, STMT_SEARCH_TERM, sqlsz);
if (i<num-1 && all)
strlcat(sql, STMT_BOOL_AND, sqlsz);
if (i<num-1 && !all)
strlcat(sql, STMT_BOOL_OR, sqlsz);
}
strlcat(sql, STMT_SEARCH_ORDER, sqlsz);
debug(r, "SQL: %s", sql);
ksql_stmt_alloc(r->arg, &stmt, sql, 0);
for (i=0; i<num; i++) {
size_t sz = 3 + strlen(terms[i]);
char *term = kcalloc(sz, sizeof(char));
strlcat(term, "\%", sz);
strlcat(term, terms[i], sz);
strlcat(term, "\%", sz);
ksql_bind_str(stmt, i, term);
}
while (KSQL_ROW == ksql_stmt_step(stmt)) {
if (count < limit) {
series[count] = kcalloc(1, sizeof(Series));
series[count]->id = ksql_stmt_int(stmt, 0);
series[count]->name = kstrdup(ksql_stmt_str(stmt, 1));
}
count++;
}
ksql_stmt_free(stmt);
return count;
}

View File

@ -171,6 +171,7 @@ int db_authors_load(struct kreq *r, AuthorAdv **authors, const char *sort, co
void db_author_free(Author *p);
void db_author_adv_free(AuthorAdv *p);
int db_series_search(struct kreq *r, int limit, Series** books, const char **terms, int num, int all);
void db_series_unfill(Series *p);
int db_series_load(struct kreq *r, SeriesAdv **series, const char *sort, const char *order,
int limit, int offset);

20
main.c
View File

@ -391,6 +391,7 @@ sendseries(struct kreq *r)
debug(r, "sendseries");
int page = initpage(r);
int per = initperpage(r);
size_t termz = inittermz(r);
const char* sort = initsort(r);
const char* order = initorder(r);
int64_t id = idfrompath(r);
@ -423,6 +424,25 @@ sendseries(struct kreq *r)
kjson_array_close(&req);
}
kjson_obj_close(&req);
} else if (termz > 0) {
const char **terms = kcalloc(termz, sizeof(char *));
initterms(r, terms);
Series **series = kcalloc(per, sizeof(Series));
int c = db_series_search(r, per, series, terms, termz, 0);
kjson_obj_open(&req);
kjson_putintp(&req, "count", c);
kjson_arrayp_open(&req, "series");
while (i < per && i < c) {
kjson_obj_open(&req);
kjson_putintp(&req, "id", series[i]->id);
kjson_putstringp(&req, "name", series[i]->name);
kjson_obj_close(&req);
i++;
}
kjson_array_close(&req);
kjson_obj_close(&req);
free(series);
free(terms);
} else {
kjson_array_open(&req);
SeriesAdv **series = kcalloc(per, sizeof(SeriesAdv));