# Assume we only get here if elgg_install: True
# Assume mysql is running

- name: download current version from our copy
  shell: wget {{ iiab_download_url }}/elgg-{{ elgg_version }}.zip -c -P {{ downloads_dir }}
         creates={{ downloads_dir }}/elgg-{{ elgg_version }}.zip
  when: internet_available

- name: Determine if software is already expanded
  stat: path=/opt/elgg-{{ elgg_version }}/index.php
  register: elgg

# use unzip and shell until unarchive works again
# unarchive: dest=/opt/
#            src={{ downloads_dir }}/elgg-{{ elgg_version }}.zip

- name: Expand it to our location unless already done
  shell: "/usr/bin/unzip -o {{ downloads_dir }}/elgg-{{ elgg_version }}.zip -d /opt"
  when: elgg.stat.exists is defined and not elgg.stat.exists

- name: Create a link to the versioned elgg folder
  file: src=./elgg-{{ elgg_version }}
        dest=/opt/elgg
        owner={{ apache_user }}
        group={{ apache_user }}
        state=link
        force=true

# use template to fix up settings in engine/settings.php with our variables substituted
# into engine/settings.example.php
# note this will overwrite any manual settings
- name: Substitute our parameters in engine/settings.example.php
  template: src="settings.php.j2"
            dest="/opt/{{ elgg_xx }}/elgg-config/settings.php"
            owner={{ apache_user }}
            group={{ apache_user }}

# The name of this file changed from 1.9 to 1.10.
- name: Copy default .htaccess to the root directory of elgg tree
  copy: src="/opt/{{ elgg_xx }}/vendor/elgg/elgg/install/config/htaccess.dist"
        dest="/opt/{{ elgg_xx }}/.htaccess"
        mode=0644
        owner={{ apache_user }}
        group={{ apache_user }}

#regexp='^#RewriteBase'
- name: Modify .htaccess to have RewriteBase as our directory
  lineinfile: backup=no
              dest="/opt/{{ elgg_xx }}/.htaccess"
              state=present
              insertafter='^#RewriteBase'
              line="RewriteBase {{ elgg_url }}/"

- name: Change permissions on engine directory so apache can write
  file: path=/opt/elgg/engine/ owner={{ apache_user }} mode=0755 state=directory

- name: Create an upload directory that Apache can write in or elgg
  file: path={{ elgg_upload_path }} state=directory owner={{ apache_user }}

- name: change ownership
  file: path=/opt/elgg-{{ elgg_version }}
        owner={{ apache_user }}
        group={{ apache_user }}
        recurse=yes
        state=directory

- name: Create a mysql database for elgg - can be run more than once
  mysql_db: name={{ dbname }}
  register: create_elgg_database

- name: Create a user to access the elgg database - can be run more than once
  mysql_user: name={{ dbuser }} host={{ item }} password={{ dbpassword }} priv={{ dbname }}.*:ALL
  with_items:
        - 127.0.0.1
        - ::1
        - localhost

- name: Create file to load database
  template: src=elggdb.sql.j2
            dest=/tmp/elggdb.sql

# elggdb.sql obtained with mysqldump --skip-add-drop-table elggdb > elggdb.sql
# tar up a mysqldump of freshly installed database and use it in the install to avoid the startup
# form, which worries me a lot. (/var/lib/mysql/elggdb)

- name: Load elgg database dump
  mysql_db: name={{ dbname }}
            state=import
            target=/tmp/elggdb.sql
  when: create_elgg_database.changed

- name: Remove database dump after load
  file: name=/tmp/elggdb.sql state=absent

- name: Install config file for elgg in Apache
  template: src=elgg.conf dest=/etc/{{ apache_config_dir }}/elgg.conf

- name: Enable elgg for debuntu (will already be enabled above for Redhat)
  file: path=/etc/apache2/sites-enabled/elgg.conf
        src=/etc/apache2/sites-available/elgg.conf
        state=link
  when: elgg_enabled and is_debuntu

- name: Disable elgg for debuntu
  file: path=/etc/apache2/sites-enabled/elgg.conf
        state=absent
  when: not elgg_enabled and is_debuntu

- name: Disable elgg for Redhat - remove config file for elgg in Apache
  file: dest=/etc/{{ apache_config_dir }}/elgg.conf
        state=absent
  when: not elgg_enabled and is_redhat

- name: add elgg to service list
  ini_file: dest='{{ service_filelist }}'
            section=elgg
            option='{{ item.option }}'
            value='{{ item.value }}'
  with_items:
    - option: name
      value: elgg-social-netwoking
    - option: description
      value: '"Elgg is an award-winning social networking engine, delivering the building blocks that enable businesses, schools, universities and associations to create their own fully-featured social networks and applications"'
    - option: path
      value: /opt/elgg
    - option: enabled
      value: "{{ elgg_enabled }}"

- name: Restart apache, so it picks up the new aliases
  service: name={{ apache_service }} state=restarted