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Added function to get metadata by group

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This commit is contained in:
Craig Williams
2020-10-09 13:26:53 +01:00
parent 4b270da082
commit a01af77bcd
2 changed files with 165 additions and 10 deletions
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149
src/modb_metadata.c
View File

@@ -234,6 +234,59 @@ int modbMetadataById(stored_conn *sconn, modb_ref *modb, unsigned int id,
return res;
}
int modbMetadataListByOwnerId(stored_conn *sconn, modb_ref *modb, unsigned int owner_id,
int with_deleted,
struct metadata_t ***metadata_list, size_t *n_metadatas)
{
where_builder *wb = 0;
int res;
wb = where(0, "owner_id", EQ, TYPE_ID, owner_id);
if (with_deleted == 0) {
wb = whereAnd(wb, where(0, "deleted_on", IS_NULL, TYPE_RAW, 0, 0));
}
res = doMetadataListQuery(sconn, modb, wb, metadata_list, n_metadatas);
if (wb != 0) {
freeWhereBuilder(&wb);
}
return res;
}
int modbMetadataListByGroupId(stored_conn *sconn, modb_ref *modb, unsigned int group_id,
int with_deleted,
struct metadata_t ***metadata_list, size_t *n_metadatas)
{
unsigned int *ids = 0;
size_t n_ids;
size_t idx;
where_builder *wb = 0;
int res;
if (modbFetchGroupMetadataIds(sconn, modb, group_id, with_deleted, &ids, &n_ids) < 0) {
return -1;
}
if (ids == 0) {
return 0;
}
*metadata_list = (struct metadata_t **)malloc(sizeof(struct metadata_t *) * n_ids);
if (*metadata_list == 0) {
return -1;
}
wb = whereIn(0, 0, "mdo_id", TYPE_ID, 0);
for (idx = 0; idx < n_ids; idx++) {
setWhereValue(wb, TYPE_ID, 1, *(ids + idx));
}
res = doMetadataListQuery(sconn, modb, wb, metadata_list, n_metadatas);
if (wb != 0) {
freeWhereBuilder(&wb);
}
return res;
}
int modbMetadataList(stored_conn *sconn, modb_ref *modb, int with_deleted,
struct metadata_t ***metadata_list, size_t *n_metadatas)
{
@@ -453,11 +506,31 @@ int modbMetadataDestroy(stored_conn *sconn, modb_ref *modb, unsigned int id)
}
// MODB Metadata -> Owner
int64_t modbFetchMetadataOwner(stored_conn *sconn, modb_ref *modb, struct metadata_t *metadata)
{
return modbUserById(sconn, modb, metadata->owner_id, 0, &metadata->owner);
}
// MODB Metadata -> Object
int64_t modbFetchMetadataObject(stored_conn *sconn, modb_ref *modb, struct metadata_t *metadata)
{
return modbObjectById(sconn, modb, metadata->id, &metadata->object);
}
// MODB Metadata -> MetadataExtended
int64_t modbFetchMetadataExtended(stored_conn *sconn, modb_ref *modb, struct metadata_t *metadata)
{
// TODO: implement
return -1;
}
// MODB Metadata -> Groups
int modbFetchMetadataGroupIds(stored_conn *sconn, modb_ref *modb,
struct metadata_t *metadata, int with_deleted)
{
char *g_table, *ug_table;
size_t g_len, ug_len;
char *g_table, *mg_table;
size_t g_len, mg_len;
char *qry;
size_t qry_len;
uint64_t qry_ret;
@@ -472,13 +545,13 @@ int modbFetchMetadataGroupIds(stored_conn *sconn, modb_ref *modb,
return -1;
}
modbTableName(&g_table, &g_len, modb, GROUPS_TABLE, STR_LEN(GROUPS_TABLE));
modbTableName(&ug_table, &ug_len, modb, MDO_GROUPS_TABLE, STR_LEN(MDO_GROUPS_TABLE));
modbTableName(&mg_table, &mg_len, modb, MDO_GROUPS_TABLE, STR_LEN(MDO_GROUPS_TABLE));
strbld_str(sb, "SELECT ", 0);
escapeColumnName_sb(sb, 0, 0, "group_id", 0);
strbld_str(sb, " FROM ", 0);
escapeTableName_sb(sb, ug_table, ug_len);
joinStr_sb(sb, " LEFT", 5, 1, g_table, g_len, "id", 2, ug_table, ug_len, "group_id", 8);
escapeTableName_sb(sb, mg_table, mg_len);
joinStr_sb(sb, " LEFT", 5, 1, g_table, g_len, "id", 2, mg_table, mg_len, "group_id", 8);
wb = where(0, "mdo_id", EQ, TYPE_ID, 1, metadata->id);
if (!with_deleted) {
wb = whereAnd(wb, where(g_table, "deleted", IS_NULL, TYPE_RAW, 0));
@@ -486,7 +559,7 @@ int modbFetchMetadataGroupIds(stored_conn *sconn, modb_ref *modb,
compileWhereBuilder_sb(sb, wb, 1);
modbFreeTableName(&g_table);
modbFreeTableName(&ug_table);
modbFreeTableName(&mg_table);
if (strbld_finalize_or_destroy(&sb, &qry, &qry_len) != 0) {
return -1;
}
@@ -615,3 +688,67 @@ int modbUnlink_Metadata_Group(stored_conn *sconn, modb_ref *modb,
return (int)qry_ret;
}
// MODB Group -> Metadatas
int modbFetchGroupMetadataIds(stored_conn *sconn, modb_ref *modb,
unsigned int group_id, int with_deleted,
unsigned int **metadata_ids, size_t *n_ids)
{
char *mg_table, *m_table;
size_t mg_len, m_len;
char *qry;
size_t qry_len;
uint64_t qry_ret;
str_builder *sb;
where_builder *wb;
column_data **col_data;
size_t n_cols;
if ((sb = strbld_create()) == 0) {
return -1;
}
modbTableName(&m_table, &m_len, modb, METADATA_TABLE, STR_LEN(METADATA_TABLE));
modbTableName(&mg_table, &mg_len, modb, MDO_GROUPS_TABLE, STR_LEN(MDO_GROUPS_TABLE));
strbld_str(sb, "SELECT ", 7);
escapeColumnName_sb(sb, mg_table, mg_len, "mdo_id", 6);
strbld_str(sb, " FROM ", 6);
escapeTableName_sb(sb, mg_table, mg_len);
joinStr_sb(sb, " LEFT", 5, 1, m_table, m_len, "mdo_id", 6, mg_table, mg_len, "mdo_id", 6);
wb = where(0, "group_id", EQ, TYPE_ID, 1, group_id);
if (!with_deleted) {
wb = whereAnd(wb, where(m_table, "deleted", IS_NULL, TYPE_RAW, 0));
}
compileWhereBuilder_sb(sb, wb, 1);
modbFreeTableName(&mg_table);
modbFreeTableName(&m_table);
if (strbld_finalize_or_destroy(&sb, &qry, &qry_len) != 0) {
return -1;
}
qry_ret = tableQuery(sconn, qry, qry_len, 0, &col_data, &n_cols);
free(qry);
// Query failed
if (qry_ret == (uint64_t)-1) {
return -1;
}
// Zero row result
if (qry_ret == 0) {
freeColumns(col_data, n_cols);
return 0;
}
*metadata_ids = (*col_data)->data.ptr_uint32;
*n_ids = (*col_data)->n_values;
(*col_data)->data.ptr_uint32 = 0;
freeColumns(col_data, n_cols);
return 1;
}

26
src/modb_metadata.h
View File

@@ -39,12 +39,16 @@ void freeMetadataList(struct metadata_t ***metadata_list_ptr, size_t n_metadatas
// MODB Metadata
int modbMetadataById(stored_conn *sconn, modb_ref *modb, unsigned int id,
struct metadata_t **metadata);
// MetadataList by owner
// MetadataList by group
// MetadataList by owner/owner groups
int modbMetadataListByOwnerId(stored_conn *sconn, modb_ref *modb, unsigned int owner_id,
int with_deleted,
struct metadata_t ***metadata_list, size_t *n_metadatas);
int modbMetadataListByGroupId(stored_conn *sconn, modb_ref *modb, unsigned int group_id,
int with_deleted,
struct metadata_t ***metadata_list, size_t *n_metadatas);
int modbMetadataList(stored_conn *sconn, modb_ref *modb, int with_deleted,
struct metadata_t ***metadata_list, size_t *n_metadata_list);
struct metadata_t ***metadata_list, size_t *n_metadatas);
int64_t modbMetadataCreate(stored_conn *sconn, modb_ref *modb,
const struct metadata_t *const metadata);
@@ -64,6 +68,15 @@ int modbMetadataDelete(stored_conn *sconn, modb_ref *modb, unsigned int id);
int modbMetadataDestroy(stored_conn *sconn, modb_ref *modb, unsigned int id);
// MODB Metadata -> Owner
int64_t modbFetchMetadataOwner(stored_conn *sconn, modb_ref *modb, struct metadata_t *metadata);
// MODB Metadata -> Object
int64_t modbFetchMetadataObject(stored_conn *sconn, modb_ref *modb, struct metadata_t *metadata);
// MODB Metadata -> MetadataExtended
int64_t modbFetchMetadataExtended(stored_conn *sconn, modb_ref *modb, struct metadata_t *metadata);
// MODB Metadata -> Groups
int modbFetchMetadataGroupIds(stored_conn *sconn, modb_ref *modb,
struct metadata_t *metadata, int with_deleted);
@@ -82,4 +95,9 @@ int modbLink_Metadata_Group(stored_conn *sconn, modb_ref *modb,
int modbUnlink_Metadata_Group(stored_conn *sconn, modb_ref *modb,
unsigned int metadata_id, unsigned int group_id);
// MODB Group -> Metadatas
int modbFetchGroupMetadataIds(stored_conn *sconn, modb_ref *modb,
unsigned int group_id, int with_deleted,
unsigned int **metadata_ids, size_t *n_ids);
#endif // H__MODB_METADATA__