History of TP-Structures

-=Current Database Tables=-
__tiki_blogs__: blog_id, user_id, created, last_modified, title, description, public, posts, max_posts, hits, activitiy, heading, use_find, use_title, add_date, add_poster, allow_comments
__tiki_blog_posts__: post_id, content_id, blog_id, trackback_to,trackbacks_from
Notes: ''trackbacks_to and trackbacks_from are default "a:():{}" almost always''

__tiki_nexus_menu__: menu_id, plugin_guid, title, description, type, editable
__tiki_nexus_menu_items__: item_id, menu_id, parent_id, po, title, hint, url, url_type, perm

__tiki_categories__: category_id, name, description, parent_id, hits
__tiki_category_objects__: cat_object_id, category_id
__tiki_categorized_objects__: cat_object_id, object_type, object_id, description, created, name, href, hits
''object_type is tikipage, blog, etc''
''description is somewhat similar to hint''
''name is similar to title''
''href is "/wiki/index.php?pge_id=7" etc''

__tiki_structures__: structure_id, root_structure_id, content_id, level, pos, page_alias, parent_id

-=New Structure Item Tables=-
__tiki_structure_item__ (primary key is structure_item_id):
structure_item_id, item_type, item_id, url, name, description, created_on, last_modified_on,

This table is used to store information about specific item in the structure, including its name and description and which actual item (content of tikipro or reference to somewhere else) it refers to.

===Structure_item_id=== - integer used to specify each line/item in the structure. Equivalent to:
tiki_structures: structure_id, tiki_nexus_menu_items: item_id, tiki_blog_posts: post_id, tiki_categorized_objects: cat_object_id

===Item_type=== - Type of item object, describes what type of item_id this is. Can be:
content_id - Item_ID is Content_id
blog_id - Item_ID is Blog_id
structure_id - Item_ID = Structure_ID
URL - Item_Id is not used, instead URL specifies full URL
Equivalent to:
tiki_categorized_objects: object_type, tiki_nexus_menu_items: url_type

===Item_id=== - id of the content for this item, usually same as Content_ID. Equivalent to:
tiki_categorized_objects: object_id, tiki_nexus_menu_items: url, tiki_structures: content_id, tiki_blog_posts: content_id

Note: ''Possibly get rid of Item_type and replace Item_id in table with Content_ID''

===URL=== - when its non-standard or external object, it specifies full URL to redirect to, this is used when item_id is NULL. Equivalent to:
tiki_categorized_objects: href, tiki_nexus_menu_items: url

===Name=== - Short name that will appear when listing this structure instead of original page_name (if not present, original name from structure is to be used). Equivalent to:
tiki_categorized_objects: name, tiki_nexus_menu_items: title, tiki_structure: page_alias

===Description=== - Longer description that maybe used. Equivalent to:
tiki_categorized_objects: description, tiki_nexus_menu_items: hint

===Created_On=== - Date when this structure item was created. Equivalent to:
tiki_categorized_objects: created

===Last_Modified_On=== - Date when this structure item was last modified

__tiki_structure_pos__ (primary_key is combination of tiki_structure_id and tiki_structure_item_id):
structure_id, structure_item_id, parent_id, pos

This table is used to link structure items to actual structure that they belong to and describes how those items are positioned inside the structure

===Structure_id=== - integer used to specify one structure. Equvalent to:
tiki_structures: root_structure_id, tiki_nexus_menu_items: menu_id, tiki_blog_posts: blog_id, tiki_categorized_objects: category_id

===Parent_id=== - integer specifying top level for multi-level menus & structures; Equivalent to:
tiki_structures: parent_id, tiki_nexus_menu_items: parent_id

===Pos=== - integer which specifies position of the menu relates to ALL other items (no matter what level, within same level highier position is displayed lower and parent_id must have position that is lower then any child). Equivalent to:
tiki_structures: pos, tiki_nexus_menu_items: po

__tiki_structure_attrib_names__ -(primary key is structure_attrib_name_id):
structure_attrib_name_id, attrib_name, structure_type_id

This table specifies additional attributes that can be added for specific structure_items by some structure types that need this. Each type would register its own list of additional attribute names when package for that structure type is installed.

===Structure_Attrib_Name_ID=== - ID for this attribute name

===Attrib_name=== - Name of the attribute, such as "trackback_to" and "trackback_from" for blogs

===Structure_Type_ID=== - ID for type of structure that uses these attribute, see tiki_structure_types tables

__tiki_structure_item_attrib__ (primary key is combination of structure_item_id and structure_attrib_name_id):
structure_item_id, structure_attrib_name_id, attrib_value

This table is used to specify additional structure item attributes

===Attrib_value=== - arbitrary data value

-=New Structure & Structure Type Tables=-
__tiki_structure__ (primary key is structure_id):
structure_id, user_id, structure_name, structure_description, parent_id, created_on, last_modified_on

This table is used to store minimum identifying information for each specific structure, including user who created it, structure name and description.

===Structure_id=== - integer used to specify one structure. Equvalent to:
tiki_structures: structure_id, tiki_nexus_menu: menu_id, tiki_blog: blog_id, tiki_categories: category_id

===User_Id=== - integer specifying which user created this structure (good for user-specific menus too!). Equivalent to:
tiki_blogs: user_id

===Structure_Name=== - short name for this structure. Equivalent to:
tiki_blogs: title, tiki_categories: name, tiki_nexus_menu: title

===Structure_Description=== - longer description of the structure. Equivalent to:
tiki_blogs: description, tiki_categories: description, tiki_nexus_menu: description

===Parent_Id=== - describes highier-level this this is one linked to. This can be used with categories although it would be better to replace with linking of multiple items into multi-layer structure, so- consider it reserved for the future for now. Equivalent to:
tiki_categories: parent_id

===Created_On=== - date when the structure was originally created on. Equivalent to:
tiki_blogs: created

===Last_Modified_On=== - data when structure was last modified on. Equivalent to:
tiki_blogs: last_modified

__tiki_structure_types__ (primary key is structure_type_id):
structure_type_id, description, maintainer_url, handler_package, handler_class, handler_file

This table is used as way to specify which objects are able to use tikipro structures and to provide reference to those objects. This is somewhat similar to how tiki_content_types table is used.

===Structure_Type_ID=== - unique id used when referring to this type of object

===Description=== - descrition of the type of object using the scructure. Example: ''Blog'' or ''Category''

===Maintainer_URL=== - URL referring to the organization that maintains this type of structured object. Usually this would be "http://www.tikipro.org"

===Handler_Package=== - TikiPro package where the class is defined. Examples: ''Wiki'' and ''Blogs''

===Handler_Class=== - PHP class responsible for handling this structure type. Examples: ''TikiBook'' and ''TikiBlogPost''

===Handler_File=== - The actual php file where the class is defined

__tiki_structure_objects__ (primary key is structure_object_id):
structure_object_id, structure_id, structure_type_id

===Structure_Object_ID=== - The unique id corresponding to specific use of specific structure. There should be one-one correspondence from structure_object_id and actual object_id (such as blog_id or nexus_menu_id) that is using the structure, however not all objects that use this structure may have their own object table and since multiple of the same type of objects could be created that use the same strucuture, there is a need for unique structure_object_id. Additionally if structure_object_id was not there and for example nexus_menu was referring directly to structure_id, it would have created a problem when menu is deleted as then you have to specifically check if there are any other menus using the same structure before deleting from tiki_structure_objects table''

-=Updated Tables for Specific Objects that use Structures=-
__tiki_blogs__ (replaces original, primary key is blog_id):
blog_id, structure_object_id, public, posts, max_posts, hits, activity, heading, use_find, use_title, add_data, add_poster, allow_comments

__tiki_nexus_menu__ (replaces original, primary key is menu_id):
menu_id, structure_object_id, plugin_guid, title, description, menu_type, editable

Note: ''title and description can be removed from nexus_menus and tiki_structure title and description used intead, however for menus it might be good to be able to override it and there is nothing wrong with just having it be NULL be default''

Note: ''Unsure if needed or how to do: tiki_structures: level, tiki_categorized_objects: hits, tiki_nexus_menu_item: perm''
Page History
28 Jan 2005 (12:48 UTC)
William Leibzon216.151.194.22617
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