1 #include "opensrf/osrf_application.h"
2 #include "opensrf/osrf_settings.h"
3 #include "opensrf/utils.h"
4 #include "objson/object.h"
5 #include "opensrf/log.h"
6 #include "oils_utils.h"
7 #include "oils_constants.h"
8 #include "oils_event.h"
12 #include <libxml/globals.h>
13 #include <libxml/xmlerror.h>
14 #include <libxml/parser.h>
15 #include <libxml/tree.h>
16 #include <libxml/debugXML.h>
17 #include <libxml/xmlmemory.h>
18 //#include <openils/fieldmapper_lookup.h>
20 #define OILS_AUTH_CACHE_PRFX "oils_cstore_"
21 #define MODULENAME "open-ils.cstore"
22 #define PERSIST_NS "http://open-ils.org/spec/opensrf/IDL/persistance/v1"
23 #define OBJECT_NS "http://open-ils.org/spec/opensrf/IDL/objects/v1"
24 #define BASE_NS "http://opensrf.org/spec/IDL/base/v1"
26 int osrfAppChildInit();
27 int osrfAppInitialize();
29 int dispatchCRUDMethod ( osrfMethodContext* ctx );
30 jsonObject* doCreate ( osrfHash* metadata, jsonObject* params );
31 jsonObject* doRetrieve ( osrfHash* metadata, jsonObject* params );
32 jsonObject* doUpdate ( osrfHash* metadata, jsonObject* params );
33 jsonObject* doDelete ( osrfHash* metadata, jsonObject* params );
34 jsonObject* oilsMakeJSONFromResult( dbi_result result, osrfHash* meta);
36 dbi_conn dbhandle; /* our db connection */
37 xmlDocPtr idlDoc = NULL; // parse and store the IDL here
39 /* handy NULL json object to have around */
40 static jsonObject* oilsNULL = NULL;
42 int osrfAppInitialize() {
43 osrfLogInfo(OSRF_LOG_MARK, "Initializing the CStore Server...");
44 osrfLogInfo(OSRF_LOG_MARK, "Finding XML file...");
46 char * idl_filename = osrf_settings_host_value("/apps/%s/app_settings/IDL", MODULENAME);
47 osrfLogInfo(OSRF_LOG_MARK, "Found file:");
48 osrfLogInfo(OSRF_LOG_MARK, idl_filename);
50 osrfLogInfo(OSRF_LOG_MARK, "Parsing the IDL XML...");
51 idlDoc = xmlReadFile( idl_filename, NULL, XML_PARSE_XINCLUDE );
54 osrfLogError(OSRF_LOG_MARK, "Could not load or parse the IDL XML file!");
58 osrfLogInfo(OSRF_LOG_MARK, "...IDL XML parsed");
60 osrfStringArray* global_methods = osrfNewStringArray(1);
62 //osrfStringArrayAdd( global_methods, "create" );
63 osrfStringArrayAdd( global_methods, "retrieve" );
64 //osrfStringArrayAdd( global_methods, "update" );
65 //osrfStringArrayAdd( global_methods, "delete" );
67 xmlNodePtr docRoot = xmlDocGetRootElement(idlDoc);
68 xmlNodePtr kid = docRoot->children;
70 if (!strcmp( (char*)kid->name, "class" )) {
73 while ( (method_type = osrfStringArrayGetString(global_methods, i)) ) {
75 osrfHash * usrData = osrfNewHash();
76 osrfHashSet( usrData, xmlGetProp(kid, "id"), "classname");
77 osrfHashSet( usrData, xmlGetNsProp(kid, "tablename", PERSIST_NS), "tablename");
78 osrfHashSet( usrData, xmlGetNsProp(kid, "fieldmapper", OBJECT_NS), "fieldmapper");
80 osrfHash* links = osrfNewHash();
81 osrfHash* fields = osrfNewHash();
82 xmlNodePtr _cur = kid->children;
84 if (!strcmp( (char*)_cur->name, "fields" )) {
85 osrfHash* _tmp = osrfNewHash();
89 strdup( (char*)xmlGetNsProp(_cur, "array_position", OBJECT_NS) ),
95 strdup( (char*)xmlGetNsProp(_cur, "name", BASE_NS) ),
101 strdup( (char*)xmlGetNsProp(_cur, "virtual", BASE_NS) ),
108 strdup( (char*)xmlGetNsProp(_cur, "name", BASE_NS) )
112 if (!strcmp( (char*)_cur->name, "links" )) {
113 osrfHash* _tmp = osrfNewHash();
117 strdup( (char*)xmlGetNsProp(_cur, "reltype", BASE_NS) ),
123 strdup( (char*)xmlGetNsProp(_cur, "field", BASE_NS) ),
129 strdup( (char*)xmlGetNsProp(_cur, "key", BASE_NS) ),
135 strdup( (char*)xmlGetNsProp(_cur, "class", BASE_NS) ),
139 osrfStringArray* map = osrfNewStringArray(0);
140 char* map_list = strdup((char*)xmlGetNsProp(_cur, "map", BASE_NS));
141 if (strlen(map_list) > 0) {
142 char* _map_class = strtok(map_list, " ");
143 osrfStringArrayAdd(map, strdup(_map_class));
144 while ((_map_class = strtok(NULL, " "))) {
145 osrfStringArrayAdd(map, strdup(_map_class));
148 osrfHashSet( _tmp, map, "map");
153 strdup( (char*)xmlGetNsProp(_cur, "field", BASE_NS) )
161 char* _fm = strdup( (char*)osrfHashGet(usrData, "fieldmapper") );
162 char* part = strtok(_fm, ":");
164 growing_buffer* method_name = buffer_init(64);
165 buffer_fadd(method_name, "%s.direct.%s", MODULENAME, part);
167 while ((part = strtok(NULL, ":"))) {
168 buffer_fadd(method_name, ".%s", part);
170 buffer_fadd(method_name, ".%s", method_type);
172 char* method = buffer_data(method_name);
173 buffer_free(method_name);
175 osrfHashSet( usrData, method, "methodname" );
176 osrfHashSet( usrData, strdup(method_type), "methodtype" );
178 osrfAppRegisterExtendedMethod(
181 "dispatchCRUDMethod",
198 * Connects to the database
200 int osrfAppChildInit() {
202 dbi_initialize(NULL);
204 char* driver = osrf_settings_host_value("/apps/%s/app_settings/driver", MODULENAME);
205 char* user = osrf_settings_host_value("/apps/%s/app_settings/database/user", MODULENAME);
206 char* host = osrf_settings_host_value("/apps/%s/app_settings/database/host", MODULENAME);
207 char* port = osrf_settings_host_value("/apps/%s/app_settings/database/port", MODULENAME);
208 char* db = osrf_settings_host_value("/apps/%s/app_settings/database/db", MODULENAME);
209 char* pw = osrf_settings_host_value("/apps/%s/app_settings/database/pw", MODULENAME);
211 dbhandle = dbi_conn_new(driver);
214 osrfLogError(OSRF_LOG_MARK, "Error creating database driver %s", driver);
218 osrfLogInfo(OSRF_LOG_MARK, "oils_fetch connecting to database. host=%s, "
219 "port=%s, user=%s, pw=%s, db=%s", host, port, user, pw, db );
221 if(host) dbi_conn_set_option(dbhandle, "host", host );
222 if(port) dbi_conn_set_option_numeric( dbhandle, "port", atoi(port) );
223 if(user) dbi_conn_set_option(dbhandle, "username", user);
224 if(pw) dbi_conn_set_option(dbhandle, "password", pw );
225 if(db) dbi_conn_set_option(dbhandle, "dbname", db );
233 if (dbi_conn_connect(dbhandle) < 0) {
235 dbi_conn_error(dbhandle, &err);
236 osrfLogError( OSRF_LOG_MARK, "Error connecting to database: %s", err);
240 osrfLogInfo(OSRF_LOG_MARK, "%s successfully connected to the database", MODULENAME);
246 int dispatchCRUDMethod ( osrfMethodContext* ctx ) {
247 OSRF_METHOD_VERIFY_CONTEXT(ctx);
249 osrfHash* meta = (osrfHash*) ctx->method->userData;
251 jsonObject * obj = NULL;
252 if (!strcmp( (char*)osrfHashGet(meta, "methodtype"), "create"))
253 obj = doCreate(meta, ctx->params);
255 if (!strcmp( (char*)osrfHashGet(meta, "methodtype"), "retrieve"))
256 obj = doRetrieve(meta, ctx->params);
258 if (!strcmp( (char*)osrfHashGet(meta, "methodtype"), "update"))
259 obj = doUpdate(meta, ctx->params);
261 if (!strcmp( (char*)osrfHashGet(meta, "methodtype"), "delete"))
262 obj = doDelete(meta, ctx->params);
264 osrfAppRespondComplete( ctx, obj );
271 jsonObject* doCreate( osrfHash* meta, jsonObject* params ) { return NULL; }
273 jsonObject* doRetrieve( osrfHash* meta, jsonObject* params ) {
275 char* id = jsonObjectToSimpleString(jsonObjectGetIndex(params, 0));
279 "%s retrieving %s object with id %s",
281 osrfHashGet(meta, "fieldmapper"),
287 growing_buffer* sql_buf = buffer_init(128);
290 "SELECT * FROM %s WHERE %s = %d;",
291 osrfHashGet(meta, "tablename"),
292 xmlGetNsProp( (xmlNode*)osrfHashGet(meta, "fields"), "primary", "http://open-ils.org/spec/opensrf/IDL/persistance/v1" ),
296 char* sql = buffer_data(sql_buf);
297 buffer_free(sql_buf);
299 osrfLogDebug(OSRF_LOG_MARK, "%s SQL = %s", MODULENAME, sql);
301 dbi_result result = dbi_conn_query(dbhandle, sql);
303 jsonObject* obj = NULL;
306 /* there should be one row at the most */
307 if (!dbi_result_first_row(result)) {
308 osrfLogDebug(OSRF_LOG_MARK, "%s: Error retrieving %s with key %s", MODULENAME, osrfHashGet(meta, "fieldmapper"), id);
309 dbi_result_free(result);
313 /* JSONify the result */
314 obj = oilsMakeJSONFromResult( result, meta );
316 /* clean up the query */
317 dbi_result_free(result);
320 osrfLogDebug(OSRF_LOG_MARK, "%s returned no results for query %s", MODULENAME, sql);
329 jsonObject* doUpdate( osrfHash* meta, jsonObject* params ) { return NULL; }
331 jsonObject* doDelete( osrfHash* meta, jsonObject* params ) { return NULL; }
334 jsonObject* oilsMakeJSONFromResult( dbi_result result, osrfHash* meta) {
335 if(!(result && meta)) return NULL;
337 jsonObject* object = jsonParseString("[]");
338 jsonObjectSetClass(object, osrfHashGet(meta, "classname"));
340 osrfHash* fields = osrfHashGet(meta, "fields");
347 const char* columnName;
349 /* cycle through the column list */
350 while( (columnName = dbi_result_get_field_name(result, columnIndex++)) ) {
352 fmIndex = -1; // reset the position
354 /* determine the field type and storage attributes */
355 type = dbi_result_get_field_type(result, columnName);
356 attr = dbi_result_get_field_attribs(result, columnName);
358 /* fetch the fieldmapper index */
359 if( (_f = osrfHashGet(fields, (char*)columnName)) ) {
360 if ( !(strcmp( osrfHashGet(_f, "virtual"), "true" )) ) continue;
361 if ( !(stringisnum( osrfHashGet(_f, "array_position") )) ) continue;
362 fmIndex = atoi(osrfHashGet(_f, "array_position"));
367 case DBI_TYPE_INTEGER :
369 if( attr & DBI_INTEGER_SIZE8 )
370 jsonObjectSetIndex( object, fmIndex,
371 jsonNewNumberObject(dbi_result_get_longlong(result, columnName)));
373 jsonObjectSetIndex( object, fmIndex,
374 jsonNewNumberObject(dbi_result_get_long(result, columnName)));
378 case DBI_TYPE_DECIMAL :
379 jsonObjectSetIndex( object, fmIndex,
380 jsonNewNumberObject(dbi_result_get_double(result, columnName)));
383 case DBI_TYPE_STRING :
384 jsonObjectSetIndex( object, fmIndex,
385 jsonNewObject(dbi_result_get_string(result, columnName)));
388 case DBI_TYPE_DATETIME :
389 jsonObjectSetIndex( object, fmIndex,
390 jsonNewNumberObject(dbi_result_get_datetime(result, columnName)));
393 case DBI_TYPE_BINARY :
394 osrfLogError( OSRF_LOG_MARK,
395 "Can't do binary at column %s : index %d", columnName, columnIndex - 1);