Index: openacs-4/packages/file-storage/sql/oracle/upgrade/upgrade-4.6.1-4.6.2.sql =================================================================== RCS file: /usr/local/cvsroot/openacs-4/packages/file-storage/sql/oracle/upgrade/upgrade-4.6.1-4.6.2.sql,v diff -u -N -r1.1.2.1 -r1.1.2.2 --- openacs-4/packages/file-storage/sql/oracle/upgrade/upgrade-4.6.1-4.6.2.sql 20 Mar 2003 22:13:03 -0000 1.1.2.1 +++ openacs-4/packages/file-storage/sql/oracle/upgrade/upgrade-4.6.1-4.6.2.sql 21 Mar 2003 02:55:36 -0000 1.1.2.2 @@ -5,13 +5,26 @@ new_url_id cr_extlinks.extlink_id%TYPE; begin + for root_folder in (select folder_id from fs_root_folders) + loop + for folder in (select folder_id + from cr_folders + where folder_id in (select item_id + from cr_items + start with item_id = root_folder.folder_id + connect by prior item_id = parent_id)) + loop + + if content_folder.is_registered(folder.folder_id, 'content_extlink') = 'f' then + content_folder.register_content_type(folder.folder_id, 'content_extlink'); + end if; + + end loop; + end loop; + for fs_url in (select * from fs_urls_full) loop - if content_folder.is_registered(fs_url.folder_id, 'content_extlink') = 'f' then - content_folder.register_content_type(fs_url.folder_id, 'content_extlink'); - end if; - new_url_id := content_extlink.new ( url => fs_url.url, label => fs_url.name, @@ -95,3 +108,706 @@ and cr_items.item_id = cr_folders.folder_id(+) and cr_items.item_id = acs_objects.object_id and cr_items.live_revision = cr_revisions.revision_id(+); + +-- +-- packages/file-storage/sql/file-storage-package-create.sql +-- +-- @author yon (yon@openforce.net) +-- @creation-date 2002-04-03 +-- @version $Id$ +-- + +create or replace package file_storage +as + + function get_root_folder( + -- + -- Returns the root folder corresponding to a particular + -- package instance. + -- + package_id in apm_packages.package_id%TYPE + ) return fs_root_folders.folder_id%TYPE; + + function get_package_id( + item_id in cr_items.item_id%TYPE + ) return fs_root_folders.package_id%TYPE; + + function new_root_folder( + -- + -- Creates a new root folder + -- + package_id in apm_packages.package_id%TYPE, + folder_name in cr_folders.label%TYPE default null, + description in cr_folders.description%TYPE default null + ) return fs_root_folders.folder_id%TYPE; + + function new_file( + -- + -- Create a file in CR in preparation for actual storage + -- Wrapper for content_item.new + -- + item_id in cr_items.item_id%TYPE default null, + title in cr_items.name%TYPE, + folder_id in cr_items.parent_id%TYPE, + creation_user in acs_objects.creation_user%TYPE, + creation_ip in acs_objects.creation_ip%TYPE, + indb_p in char default 't' + ) return cr_items.item_id%TYPE; + + procedure delete_file( + -- + -- Delete a file and all its version + -- Wrapper to content_item.delete + -- + file_id in cr_items.item_id%TYPE + ); + + procedure rename_file( + -- + -- Rename a file and all + -- Wrapper to content_item__rename + -- + file_id in cr_items.item_id%TYPE, + title in cr_items.name%TYPE + ); + + function copy_file( + -- + -- Copy a file, but only copy the live_revision + -- + file_id in cr_items.item_id%TYPE, + target_folder_id in cr_items.parent_id%TYPE, + creation_user in acs_objects.creation_user%TYPE, + creation_ip in acs_objects.creation_ip%TYPE + ) return cr_revisions.revision_id%TYPE; + + procedure move_file( + -- + -- Move a file, and all its versions, to a new folder + -- + file_id in cr_items.item_id%TYPE, + target_folder_id in cr_items.parent_id%TYPE + ); + + function get_title( + -- + -- Unfortunately, title in the file-storage context refers + -- to the name attribute in cr_items, not the title attribute in + -- cr_revisions + item_id in cr_items.item_id%TYPE + ) return varchar; + + function get_parent_id( + item_id in cr_items.item_id%TYPE + ) return cr_items.item_id%TYPE; + + function get_content_type( + -- + -- Wrapper for content_item. get_content_type + -- + item_id in cr_items.item_id%TYPE + ) return cr_items.content_type%TYPE; + + function get_folder_name( + -- + -- Wrapper for content_folder__get_label + -- + folder_id in cr_folders.folder_id%TYPE + ) return cr_folders.label%TYPE; + + function new_version( + -- + -- Create a new version of a file + -- Wrapper for content_revision.new + -- + filename in cr_revisions.title%TYPE, + description in cr_revisions.description%TYPE, + mime_type in cr_revisions.mime_type%TYPE, + item_id in cr_items.item_id%TYPE, + creation_user in acs_objects.creation_user%TYPE, + creation_ip in acs_objects.creation_ip%TYPE + ) return cr_revisions.revision_id%TYPE; + + function delete_version( + -- + -- Delete a version of a file + -- + file_id in cr_items.item_id%TYPE, + version_id in cr_revisions.revision_id%TYPE + ) return cr_items.parent_id%TYPE; + + function new_folder( + -- + -- Create a folder + -- + name in cr_items.name%TYPE, + folder_name in cr_folders.label%TYPE, + parent_id in cr_items.parent_id%TYPE, + creation_user in acs_objects.creation_user%TYPE, + creation_ip in acs_objects.creation_ip%TYPE + ) return cr_folders.folder_id%TYPE; + + procedure delete_folder( + -- + -- Delete a folder + -- + folder_id in cr_folders.folder_id%TYPE + ); + +end file_storage; +/ +show errors + +create or replace package body file_storage +as + + function get_root_folder( + package_id in apm_packages.package_id%TYPE + ) return fs_root_folders.folder_id%TYPE + is + v_folder_id fs_root_folders.folder_id%TYPE; + v_count integer; + begin + select count(*) + into v_count + from fs_root_folders + where package_id = get_root_folder.package_id; + + if v_count > 0 then + select folder_id + into v_folder_id + from fs_root_folders + where package_id = get_root_folder.package_id; + else + -- must be a new instance. Gotta create a new root folder + v_folder_id := new_root_folder(package_id); + end if; + + return v_folder_id; + end get_root_folder; + + function get_package_id( + item_id in cr_items.item_id%TYPE + ) return fs_root_folders.package_id%TYPE + is + v_package_id fs_root_folders.package_id%TYPE; + begin + select fs_root_folders.package_id + into v_package_id + from fs_root_folders, + (select cr_items.item_id + from cr_items + connect by prior cr_items.parent_id = cr_items.item_id + start with cr_items.item_id = get_package_id.item_id) this + where fs_root_folders.folder_id = this.item_id; + + return v_package_id; + + exception when NO_DATA_FOUND then + return null; + end get_package_id; + + function new_root_folder( + -- + -- A hackish function to get around the fact that we can't run + -- code automatically when a new package instance is created. + -- + package_id in apm_packages.package_id%TYPE, + folder_name in cr_folders.label%TYPE default null, + description in cr_folders.description%TYPE default null + ) return fs_root_folders.folder_id%TYPE + is + v_folder_id fs_root_folders.folder_id%TYPE; + v_package_name apm_packages.instance_name%TYPE; + v_package_key apm_packages.package_key%TYPE; + v_folder_name cr_folders.label%TYPE; + v_description cr_folders.description%TYPE; + begin + select instance_name, package_key + into v_package_name, v_package_key + from apm_packages + where package_id = new_root_folder.package_id; + + if new_root_folder.folder_name is null + then + v_folder_name := v_package_name || ' Root Folder'; + else + v_folder_name := folder_name; + end if; + + if new_root_folder.description is null + then + v_description := 'Root folder for the file-storage system. All other folders in file storage are subfolders of this one.'; + else + v_description := description; + end if; + + v_folder_id := content_folder.new( + name => v_package_key || '_' || package_id, + label => v_folder_name, + description => v_description + ); + + insert + into fs_root_folders + (package_id, folder_id) + values + (package_id, v_folder_id); + + -- allow child items to be added + content_folder.register_content_type(v_folder_id,'content_revision','t'); + content_folder.register_content_type(v_folder_id,'content_folder','t'); + content_folder.register_content_type(v_folder_id,'content_extlink','t'); + + -- set up default permissions + acs_permission.grant_permission( + object_id => v_folder_id, + grantee_id => acs.magic_object_id('the_public'), + privilege => 'read' + ); + + acs_permission.grant_permission( + object_id => v_folder_id, + grantee_id => acs.magic_object_id('registered_users'), + privilege => 'write' + ); + + return v_folder_id; + end new_root_folder; + + function new_file( + -- + -- Create a file in CR in preparation for actual storage + -- Wrapper for content_item.new + -- + item_id in cr_items.item_id%TYPE default null, + title in cr_items.name%TYPE, + folder_id in cr_items.parent_id%TYPE, + creation_user in acs_objects.creation_user%TYPE, + creation_ip in acs_objects.creation_ip%TYPE, + indb_p in char default 't' + ) return cr_items.item_id%TYPE + is + v_item_id cr_items.item_id%TYPE; + begin + if new_file.indb_p = 't' + then + v_item_id := content_item.new( + item_id => new_file.item_id, + name => new_file.title, + parent_id => new_file.folder_id, + creation_user => new_file.creation_user, + context_id => new_file.folder_id, + creation_ip => new_file.creation_ip, + content_type => 'file_storage_object', + item_subtype => 'content_item' + ); + else + v_item_id := content_item.new( + name => new_file.title, + parent_id => new_file.folder_id, + creation_user => new_file.creation_user, + context_id => new_file.folder_id, + creation_ip => new_file.creation_ip, + content_type => 'file_storage_object', + item_subtype => 'content_item', + storage_type => 'file' + ); + end if; + + acs_object.update_last_modified(file_storage.new_file.folder_id); + + return v_item_id; + end new_file; + + procedure delete_file( + -- + -- Delete a file and all its version + -- Wrapper to content_item__delete + -- + file_id in cr_items.item_id%TYPE + ) + is + begin + content_item.delete(item_id => file_storage.delete_file.file_id); + end delete_file; + + procedure rename_file( + -- + -- Rename a file and all + -- Wrapper to content_item__rename + -- + file_id in cr_items.item_id%TYPE, + title in cr_items.name%TYPE + ) + is + begin + content_item.rename( + item_id => file_storage.rename_file.file_id, + name => file_storage.rename_file.title + ); + end rename_file; + + function copy_file( + -- + -- Copy a file, but only copy the live_revision + -- + file_id in cr_items.item_id%TYPE, + target_folder_id in cr_items.parent_id%TYPE, + creation_user in acs_objects.creation_user%TYPE, + creation_ip in acs_objects.creation_ip%TYPE + ) return cr_revisions.revision_id%TYPE + is + v_title cr_items.name%TYPE; + v_live_revision cr_items.live_revision%TYPE; + v_filename cr_revisions.title%TYPE; + v_description cr_revisions.description%TYPE; + v_mime_type cr_revisions.mime_type%TYPE; + v_content_length cr_revisions.content_length%TYPE; + v_lob cr_revisions.content%TYPE; + v_file_path cr_revisions.filename%TYPE; + v_new_file_id cr_items.item_id%TYPE; + v_new_version_id cr_revisions.revision_id%TYPE; + v_indb_p char; + begin + -- We copy only the title from the file being copied, and attributes of the + -- live revision + select i.name, i.live_revision, r.title, r.description, + r.mime_type, r.content, r.filename, r.content_length, + decode(i.storage_type,'lob','t','f') + into v_title, v_live_revision, v_filename, v_description, + v_mime_type, v_lob, v_file_path, v_content_length, + v_indb_p + from cr_items i, cr_revisions r + where r.item_id = i.item_id + and r.revision_id = i.live_revision + and i.item_id = file_storage.copy_file.file_id; + + -- We should probably use the copy functions of CR + -- when we optimize this function + v_new_file_id := file_storage.new_file( + title => v_title, + folder_id => file_storage.copy_file.target_folder_id, + creation_user => file_storage.copy_file.creation_user, + creation_ip => file_storage.copy_file.creation_ip, + indb_p => v_indb_p + ); + + v_new_version_id := file_storage.new_version( + filename => v_filename, + description => v_description, + mime_type => v_mime_type, + item_id => v_new_file_id, + creation_user => file_storage.copy_file.creation_user, + creation_ip => file_storage.copy_file.creation_ip + ); + + -- Oracle is easier, since lobs are true lobs + -- For now, we simply copy the file name + update cr_revisions + set filename = v_file_path, + content = v_lob, + content_length = v_content_length + where revision_id = v_new_version_id; + + acs_object.update_last_modified(file_storage.copy_file.target_folder_id); + + return v_new_version_id; + end copy_file; + + procedure move_file( + -- + -- Move a file, and all its versions, to a new folder + -- + file_id in cr_items.item_id%TYPE, + target_folder_id in cr_items.parent_id%TYPE + ) + is + begin + content_item.move( + item_id => file_storage.move_file.file_id, + target_folder_id => file_storage.move_file.target_folder_id + ); + + acs_object.update_last_modified(file_storage.move_file.target_folder_id); + + end; + + function new_version( + -- + -- Create a new version of a file + -- Wrapper for content_revision.new + -- + filename in cr_revisions.title%TYPE, + description in cr_revisions.description%TYPE, + mime_type in cr_revisions.mime_type%TYPE, + item_id in cr_items.item_id%TYPE, + creation_user in acs_objects.creation_user%TYPE, + creation_ip in acs_objects.creation_ip%TYPE + ) return cr_revisions.revision_id%TYPE + is + v_revision_id cr_revisions.revision_id%TYPE; + v_folder_id cr_items.parent_id%TYPE; + begin + -- Create a revision + v_revision_id := content_revision.new( + title => new_version.filename, + description => new_version.description, + mime_type => new_version.mime_type, + item_id => new_version.item_id, + creation_user => new_version.creation_user, + creation_ip => new_version.creation_ip + ); + + -- Make live the newly created revision + content_item.set_live_revision(revision_id => v_revision_id); + + select cr_items.parent_id + into v_folder_id + from cr_items + where cr_items.item_id = file_storage.new_version.item_id; + + acs_object.update_last_modified(v_folder_id); + + return v_revision_id; + + exception when NO_DATA_FOUND then + return v_revision_id; + end new_version; + + function get_title( + -- + -- Unfortunately, title in the file-storage context refers + -- to the name attribute in cr_items, not the title attribute in + -- cr_revisions + item_id in cr_items.item_id%TYPE + ) return varchar + is + v_title cr_items.name%TYPE; + v_content_type cr_items.content_type%TYPE; + begin + select content_type + into v_content_type + from cr_items + where item_id = get_title.item_id; + + if v_content_type = 'content_folder' + then + select label + into v_title + from cr_folders + where folder_id = get_title.item_id; + else if v_content_type = 'content_symlink' + then + select label into v_title + from cr_symlinks + where symlink_id = get_title.item_id; + else + select name into v_title + from cr_items + where item_id = get_title.item_id; + end if; + end if; + + return v_title; + end get_title; + + function get_parent_id( + item_id in cr_items.item_id%TYPE + ) return cr_items.item_id%TYPE + is + v_parent_id cr_items.item_id%TYPE; + begin + select parent_id + into v_parent_id + from cr_items + where item_id = get_parent_id.item_id; + + return v_parent_id; + end get_parent_id; + + function get_content_type( + -- + -- Wrapper for content_item. get_content_type + -- + item_id in cr_items.item_id%TYPE + ) return cr_items.content_type%TYPE + is + v_content_type cr_items.content_type%TYPE; + begin + v_content_type := content_item.get_content_type( + item_id => file_storage.get_content_type.item_id + ); + + return v_content_type; + end get_content_type; + + function get_folder_name( + -- + -- Wrapper for content_folder.get_label + -- + folder_id in cr_folders.folder_id%TYPE + ) return cr_folders.label%TYPE + is + v_folder_name cr_folders.label%TYPE; + begin + v_folder_name := content_folder.get_label( + folder_id => file_storage.get_folder_name.folder_id + ); + + return v_folder_name; + end get_folder_name; + + function delete_version( + -- + -- Delete a version of a file + -- + file_id in cr_items.item_id%TYPE, + version_id in cr_revisions.revision_id%TYPE + ) return cr_items.parent_id%TYPE + is + v_parent_id cr_items.parent_id%TYPE; + begin + if file_storage.delete_version.version_id = content_item.get_live_revision(file_storage.delete_version.file_id) + then + content_revision.delete(file_storage.delete_version.version_id); + content_item.set_live_revision( + content_item.get_latest_revision(file_storage.delete_version.file_id) + ); + else + content_revision.delete(file_storage.delete_version.version_id); + end if; + + -- If the live revision is null, we have deleted the last version above + select decode(live_revision, null, parent_id, 0) + into v_parent_id + from cr_items + where item_id = file_storage.delete_version.file_id; + + -- Unfortunately, due to PostgreSQL behavior with regards referential integrity, + -- we cannot delete the content_item entry if there are no more revisions. + return v_parent_id; + end delete_version; + + function new_folder( + -- + -- Create a folder + -- + name in cr_items.name%TYPE, + folder_name in cr_folders.label%TYPE, + parent_id in cr_items.parent_id%TYPE, + creation_user in acs_objects.creation_user%TYPE, + creation_ip in acs_objects.creation_ip%TYPE + ) return cr_folders.folder_id%TYPE + is + v_folder_id cr_folders.folder_id%TYPE; + begin + -- Create a new folder + v_folder_id := content_folder.new( + name => file_storage.new_folder.name, + label => file_storage.new_folder.folder_name, + parent_id => file_storage.new_folder.parent_id, + creation_user => file_storage.new_folder.creation_user, + creation_ip => file_storage.new_folder.creation_ip + ); + + -- register the standard content types + content_folder.register_content_type( + v_folder_id, -- folder_id + 'content_revision', -- content_type + 't' -- include_subtypes + ); + + content_folder.register_content_type( + v_folder_id, -- folder_id + 'content_folder', -- content_type + 't' -- include_subtypes + ); + + content_folder.register_content_type( + v_folder_id, -- folder_id + 'content_extlink', -- content_type + 't' -- include_subtypes + ); + + -- Give the creator admin privileges on the folder + acs_permission.grant_permission( + v_folder_id, -- object_id + file_storage.new_folder.creation_user, -- grantee_id + 'admin' -- privilege + ); + + return v_folder_id; + end new_folder; + + procedure delete_folder( + -- + -- Delete a folder + -- + folder_id in cr_folders.folder_id%TYPE + ) + is + begin + content_folder.delete( + folder_id => file_storage.delete_folder.folder_id + ); + end delete_folder; + +end file_storage; +/ +show errors; + +-- JS: BEFORE DELETE TRIGGER to clean up CR +create or replace trigger fs_package_items_delete_trig +before delete on fs_root_folders +for each row +declare + cursor v_cursor is + select item_id,content_type + from cr_items + where item_id != :old.folder_id + connect by parent_id = prior item_id + start with item_id = :old.folder_id + order by level desc; +begin + for v_rec in v_cursor + loop + -- We delete the item. On delete cascade should take care + -- of deletion of revisions. + if v_rec.content_type = 'file_storage_object' + then + content_item.delete(v_rec.item_id); + end if; + + -- Instead of doing an if-else, we make sure we are deleting a folder. + if v_rec.content_type = 'content_folder' + then + content_folder.delete(v_rec.item_id); + end if; + + -- Instead of doing an if-else, we make sure we are deleting a folder. + if v_rec.content_type = 'content_symlink' + then + content_symlink.delete(v_rec.item_id); + end if; + + -- Instead of doing an if-else, we make sure we are deleting a folder. + if v_rec.content_type = 'content_extlink' + then + content_extlink.delete(v_rec.item_id); + end if; + + end loop; +end; +/ +show errors; + +-- JS: AFTER DELETE TRIGGER to clean up last entry in CR +create or replace trigger fs_root_folder_delete_trig +after delete on fs_root_folders +for each row +begin + content_folder.delete(:old.folder_id); +end; +/ +show errors;