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category-relation-procs.tcl

Procedures to relate to categories trees (meta category) to one user_id

Location:
packages/categories/tcl/category-relation-procs.tcl
Created:
2005-07-26
Authors:
Miguel Marin <miguelmarin@viaro.net>
Viaro Networks www.viaro.net

Procedures in this file

Detailed information

category::relation::add_meta_category (public)

 category::relation::add_meta_category -category_id_one category_id_one \
    -category_id_two category_id_two [ -user_id user_id ]

Creates a new meta category by creating a relation between category_id_one and category_id_two. This relation is also related to the user_id.

Switches:
-category_id_one (required)
-category_id_two (required)
-user_id (optional)
Options:
-user_id
user that will be related to the meta category.
-category_id_one
one of the two category_id's to be related.
-category_id_two
the other category_id to be related.
Authors:
Miguel Marin <miguelmarin@viaro.net>
Viaro Networks www.viaro.net

Partial Call Graph (max 5 caller/called nodes):
%3 test_category_tree_procs category_tree_procs (test categories) category::relation::add_meta_category category::relation::add_meta_category test_category_tree_procs->category::relation::add_meta_category ad_conn ad_conn (public) category::relation::add_meta_category->ad_conn db_exec_plsql db_exec_plsql (public) category::relation::add_meta_category->db_exec_plsql db_string db_string (public) category::relation::add_meta_category->db_string

Testcases:
category_tree_procs

category::relation::get_meta_categories (public)

 category::relation::get_meta_categories -rel_id rel_id

return cached list of category_one and category_two of the meta-category

Switches:
-rel_id (required)

Partial Call Graph (max 5 caller/called nodes):
%3 test_category_tree_procs category_tree_procs (test categories) category::relation::get_meta_categories category::relation::get_meta_categories test_category_tree_procs->category::relation::get_meta_categories category::relation::get_meta_category_internal category::relation::get_meta_category_internal (private) category::relation::get_meta_categories->category::relation::get_meta_category_internal util_memoize util_memoize (public) category::relation::get_meta_categories->util_memoize

Testcases:
category_tree_procs

category::relation::get_widget (public)

 category::relation::get_widget -tree_id_one tree_id_one \
    -tree_id_two tree_id_two

Returns two select menus of the categories on each tree to be used in ad_form. The name of the elements are meta_category_one and meta_category_two.

Switches:
-tree_id_one (required)
-tree_id_two (required)
Options:
Authors:
Miguel Marin <miguelmarin@viaro.net>
Viaro Networks www.viaro.net

Partial Call Graph (max 5 caller/called nodes):
%3 category_tree::get_name category_tree::get_name (public) category_tree::get_tree category_tree::get_tree (public) category::relation::get_widget category::relation::get_widget category::relation::get_widget->category_tree::get_name category::relation::get_widget->category_tree::get_tree

Testcases:
No testcase defined.
[ hide source ] | [ make this the default ]

Content File Source

ad_library {
    Procedures to relate to categories trees (meta category) to one user_id

    @author Miguel Marin (miguelmarin@viaro.net)
    @author Viaro Networks www.viaro.net
    @creation-date  2005-07-26
}

namespace eval category::relation {}


d_proc -public category::relation::add_meta_category {
    -category_id_one:required
    -category_id_two:required
    {-user_id ""}
} {
    Creates a new meta category by creating a relation between category_id_one
    and category_id_two. This relation is also related to the user_id.

    @option user_id user that will be related to the meta category.
    @option category_id_one one of the two category_id's to be related.
    @option category_id_two the other category_id to be related.
    @author Miguel Marin (miguelmarin@viaro.net)
    @author Viaro Networks www.viaro.net
} {
    if { $user_id eq "" } {
        set user_id [ad_conn user_id]
    }

    # First we check if the relation exist, if it does, we don't create a new one
    set meta_category_id [db_string get_meta_relation_id {} -default ""]
    if { $meta_category_id eq "" } {
        set meta_category_id [db_exec_plsql add_meta_relation {}]
    }

    # Now we check if the user already has the meta category associated,
    # if it does, we don't create a new one
    set user_meta_category_id [db_string get_user_meta_relation_id {} -default ""]
    if { $user_meta_category_id eq "" } {
        return [db_exec_plsql add_user_meta_relation {}]
    } else {
        return $user_meta_category_id
    }
}

d_proc -public category::relation::get_widget {
    -tree_id_one:required
    -tree_id_two:required
} {
    Returns two select menus of the categories on each tree to be used in ad_form. The name of the elements
    are meta_category_one and meta_category_two.


    @option tree_id_one
    @option tree_id_two
    @author Miguel Marin (miguelmarin@viaro.net)
    @author Viaro Networks www.viaro.net
} {
    set label_one [category_tree::get_name $tree_id_one]
    set label_two [category_tree::get_name $tree_id_two]
    set element_one  "\{meta_category_one:integer(select) \{label $label_one\} \{options \{ "
    set element_two  "\{meta_category_two:integer(select) \{label $label_two\} \{options \{ "

    foreach category_one [category_tree::get_tree $tree_id_one] {
        lassign $category_one value_one label_one
        append element_one "\{$label_one $value_one\} "
    }
    foreach category_two [category_tree::get_tree $tree_id_two] {
        lassign $category_two value_two label_two
        append element_two "\{$label_two $value_two\} "
    }
    append element_one "\} \} \}"
    append element_two "\} \} \}"

    return "$element_one  $element_two"
}

d_proc -public category::relation::get_meta_categories {
    -rel_id:required
} {
    return cached list of category_one and category_two of the meta-category
} {
    return [util_memoize [list category::relation::get_meta_category_internal -rel_id $rel_id]]
}

d_proc -private category::relation::get_meta_category_internal {
    -rel_id:required
} {
    get list of category_one and category_two of the meta-category
} {
    db_1row get_categories {}
    return [list $object_id_one $object_id_two]
}

# Local variables:
#    mode: tcl
#    tcl-indent-level: 4
#    indent-tabs-mode: nil
# End: