suggest_book now conceptually working, needs to look better

cli/google_interface.py

@@ -24,42 +24,64 @@ connection = pgdb.connect(database='oysteini_pbb2',
 def suggest_book(dbconnection, tmp_file=False):
     service = BookService(source='Programvareverkstedet - Worblehat - 0.1a ')
     action_list = []
-    print("Enter ISBN number(s), end with eof")
+    print("Enter ISBN number(s), end with eof <CTRL+D>")
     for indata in sys.stdin:
         if indata in exit_commands:
             print("aborted")
             break
         if book_in_db(dbconnection, indata):
-            action_list.append("# Book with isbn: " + str(indata) + " is already in DB, skipped")
+            action_list.append("Book with isbn: " + str(indata) + " is already in DB, skipped")
         else:
             feed = service.search_by_keyword('isbn='+indata)
             if feed.entry:
-                # action_list is passed to build_book to fill in missing authors
-                action_list.append(build_book(dbconnection, feed.entry[0], indata, action_list))
-        else:
-            print("No items found")
+                authors = parse_authors(dbconnection, feed.entry[0])
+                for author in authors:
+                    if not author_in_db(dbconnection, author):
+                        action_list.append("Author: \"" + str(author) + "\" was not already in database")
+                        action_list.append(build_author(author))
+                if len(authors) == 0:
+                    action_list.append("Didn't find any authors for book. !!IMPORTANT!! Add correct author and id in new-book section")
+                    authors.append({'id':'NO_AUTHOR', 'firstname':'John', 'lastname':'Doe'})
+                action_list.append(build_book(feed.entry[0], authors, indata))
+            else:
+                print("No items found")
         
     if tmp_file:
         # TODO: write to tmp file
+        pass
     else:
         print(write_actionlist(action_list))
 
 def book_in_db(dbconnection, isbn):
     cursor = dbconnection.cursor()
-    query = "SELECT book FROM books WHERE lastname=%(last)s OR firstname=%(first)s"
-    cursor.execute(query, {'last':last, 'first':first} )
-    candidates = fetchall_dict(cursor)
-    pass  
+    query = "SELECT * FROM book WHERE isbn=%(num)s"
+    cursor.execute(query, {'num':isbn})
+    if cursor.rowcount > 0:
+        return True
+    return False
+
+def author_in_db(dbconnection, author):
+    cursor = dbconnection.cursor()
+    query = "SELECT * FROM person WHERE firstname=%(fname)s OR lastname=%(lname)s"
+    cursor.execute(query, {'fname':author['firstname'], 'lname':author['lastname']})
+    if cursor.rowcount > 0:
+        return True
+    return False
+
+def person_id_in_db(dbconnection, id):
+    cursor = dbconnection.cursor()
+    query = "SELECT * FROM person WHERE id=%(i)s"
+    cursor.execute(query, {'i':id})
+    if cursor.rowcount > 0:
+        return True
+    return False
 
 def found_item(entry, indata):
         print "Found: "+entry.dc_title[0].text
         build_book(entry, indata)
 
-def build_book(dbconnection, entry, indata=False):
+def build_book(entry, authors, indata=False):
 	dic = entry.to_dict()
-        print("Dict in build_book:" + str(dic))
-        print("")
-        
         book = {}
         
         book['action'] = 'new-book'
@@ -81,7 +103,6 @@ def build_book(dbconnection, entry, indata=False):
 	if len(entry.dc_title) > 0:
 		book['subtitle'] = unicode(''.join(map(lambda x: x.text, entry.dc_title[1:])))
 	
-        authors = build_authors(dbconnection, dic)
         book['persons'] = {}
         book['persons']['author'] = [author['id'] for author in authors]
         
@@ -102,10 +123,6 @@ def build_book(dbconnection, entry, indata=False):
         book['references'] = {}
         book['references']['google-books'] = [unicode(dic['preview'])]
         
-        global comments
-        book['comment'] = comments
-        comments = ''
-
         return book
 
 def comment(comm):
@@ -140,6 +157,42 @@ def find_isbn(identifiers):
 			return pair[1]
 	return False
 
+def parse_authors(dbconnection, feed_entry):
+    dict = feed_entry.to_dict()
+    cursor = dbconnection.cursor()
+    author_list = []
+    if 'authors' in dict:
+        for author in dict['authors']:
+            # First look in db for matches
+            auth_q = "SELECT * FROM person WHERE firstname LIKE %(fname)s OR lastname=%(lname)s"
+            names = author.split()
+            first_name_wildcard = names[0] + '%'
+            last_name = names[len(names)-1]
+            cursor.execute(auth_q, {'fname':first_name_wildcard, 'lname':last_name})
+            match = fetchone_dict(cursor)
+            if match != None and 'id' in match:
+                author_list.append(match)
+                continue
+            # Otherwise make new id
+            newid = ''.join([i[0] for i in author.split()]).lower()
+            if person_id_in_db(dbconnection, newid):
+                i = "1"
+                while person_id_in_db(dbconnection, newid+i):
+                    i = str(int(i) + 1)
+                newid = newid + i
+            first_name = names[0] + " ".join(names[1:len(names)-1])
+            new_author = {'id':newid, 'firstname':first_name, 'lastname':last_name}
+            author_list.append(new_author)
+    return author_list
+
+def build_author(new_author):
+    author = new_author
+    author['action'] = 'new-person'
+    
+    return author
+
+
+# deprecated
 def build_authors(dbconnection, dictionary):
 	if 'authors' in dictionary:
 		author_list = []
@@ -150,6 +203,7 @@ def build_authors(dbconnection, dictionary):
                 comment("No authors found.")
 		return []
 
+# deprecated
 def get_or_create_author(dbconnection, author_name):
         author = {}
         author['action'] = 'new-person'
@@ -178,7 +232,6 @@ def get_or_create_author(dbconnection, author_name):
             print("No candidate found for " + author_name + ", making new person")
             newid = ''.join([i[0] for i in names]).lower()
             # Check if id already exists 
-            idq = 
 
 
 #Cargo-cult coded function to unescape special XML characters