SkillModel::getSkillsTree()

Complexity

Conditions	26
Paths	96

Size

Total Lines	146
Code Lines	79

Duplication

Lines	0
Ratio	0 %

Importance

Changes

0

<?php
    public function getSkillsTree(
        $user_id = null,
        $skill_id = null,
        $return_flat_array = false,
        $add_root = false
    ) {
        if (1 == $skill_id) {
            $skill_id = 0;
        }
        if (isset($user_id) && !empty($user_id)) {
            $skills = $this->getAllSkills(true, $user_id, null, $skill_id);
        } else {
            $skills = $this->getAllSkills(false, false, null, $skill_id);
        }

        $original_skill = $this->list = $skills;

        // Show 1 item
        if (!empty($skill_id)) {
            if ($add_root) {
                if (!empty($skill_id)) {
                    // Default root node
                    $skills[1] = [
                        'id' => '1',
                        'name' => get_lang('root'),
                        'parent_id' => '0',
                        'status' => 1,
                    ];
                    $skillInfo = $this->getSkillInfo($skill_id);

                    // 2nd node
                    $skills[$skill_id] = $skillInfo;
                    // Uncomment code below to hide the searched skill
                    $skills[$skill_id]['data']['parent_id'] = $skillInfo['extra']['parent_id'];
                    $skills[$skill_id]['parent_id'] = 1;
                }
            }
        }

        $refs = [];
        $skills_tree = null;

        // Create references for all nodes
        $flat_array = [];
        $family = [];
        if (!empty($skills)) {
            foreach ($skills as &$skill) {
                if (0 == $skill['parent_id']) {
                    $skill['parent_id'] = 'root';
                }

                // because except main keys (id, name, children) others keys
                // are not saved while in the space tree
                $skill['data'] = ['parent_id' => $skill['parent_id']];

                // If a short code was defined, send the short code to replace
                // skill name (to shorten the text in the wheel)
                if (!empty($skill['short_code']) &&
                    'false' === api_get_setting('show_full_skill_name_on_skill_wheel')
                ) {
                    $skill['data']['short_code'] = $skill['short_code'];
                }

                $skill['data']['name'] = $skill['name'];
                $skill['data']['status'] = $skill['status'];

                // In order to paint all members of a family with the same color
                if (empty($skill_id)) {
                    if (1 == $skill['parent_id']) {
                        $family[$skill['id']] = $this->getAllChildren($skill['id']);
                    }
                } else {
                    if ($skill['parent_id'] == $skill_id) {
                        $family[$skill['id']] = $this->getAllChildren($skill['id']);
                    }
                    /*if ($skill_id == $skill['id']) {
                        $skill['parent_id'] = 1;
                    }*/
                }

                if (!isset($skill['data']['real_parent_id'])) {
                    $skill['data']['real_parent_id'] = $skill['parent_id'];
                }

                // User achieved the skill (depends in the gradebook with certification)
                $skill['data']['achieved'] = false;
                if ($user_id) {
                    $skill['data']['achieved'] = $this->userHasSkill(
                        $user_id,
                        $skill['id']
                    );
                }

                // Check if the skill has related gradebooks
                $skill['data']['skill_has_gradebook'] = false;
                if (isset($skill['gradebooks']) && !empty($skill['gradebooks'])) {
                    $skill['data']['skill_has_gradebook'] = true;
                }
                $refs[$skill['id']] = &$skill;
                $flat_array[$skill['id']] = &$skill;
            }

            // Checking family value

            $family_id = 1;
            $new_family_array = [];
            foreach ($family as $main_family_id => $family_items) {
                if (!empty($family_items)) {
                    foreach ($family_items as $item) {
                        $new_family_array[$item['id']] = $family_id;
                    }
                }
                $new_family_array[$main_family_id] = $family_id;
                $family_id++;
            }

            if (empty($original_skill)) {
                $refs['root']['children'][0] = $skills[1];
                $skills[$skill_id]['data']['family_id'] = 1;
                $refs['root']['children'][0]['children'][0] = $skills[$skill_id];
                $flat_array[$skill_id] = $skills[$skill_id];
            } else {
                // Moving node to the children index of their parents
                foreach ($skills as $my_skill_id => &$skill) {
                    if (isset($new_family_array[$skill['id']])) {
                        $skill['data']['family_id'] = $new_family_array[$skill['id']];
                    }
                    $refs[$skill['parent_id']]['children'][] = &$skill;
                    $flat_array[$my_skill_id] = $skill;
                }
            }

            $skills_tree = [
                'name' => get_lang('Absolute skill'),
                'id' => 'root',
                'children' => $refs['root']['children'],
                'data' => [],
            ];
        }

        if ($return_flat_array) {
            return $flat_array;
        }
        unset($skills);

        return $skills_tree;
    }