FEATURE: Add documentation of current state

* Document all options
* Document concepts
* Document connections and indexer
This commit is contained in:
Daniel Siepmann 2016-12-15 17:59:13 +01:00
parent 9b6479e12d
commit fdf5aa4f82
Signed by: Daniel Siepmann
GPG key ID: 33D6629915560EF4
8 changed files with 286 additions and 37 deletions

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.. _concepts:
Concepts
========
The extension is built with the following concepts in mind.
.. _concepts_connections:
Connections
-----------
It should be possible to use different search services like elasticsearch and solr out of the box.
If a service is not contained, it should be possible to implement the necessary part by implementing
the necessary interfaces and configuring the extension to use the new connection.
Also it should be possible to use multiple connections at once. This way multiple search services
can be used in the same installation.
Currently only :ref:`Elasticsearch` is provided.
.. _concepts_indexing:
Indexing
--------
The indexing is done by one of the available indexer. It should be possible to define the indexer to
use for certein document types. Also it should be possible to write custom indexer to use.
Currently only the :ref:`TcaIndexer` is provided.

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@ -167,7 +167,7 @@ html_static_path = ['_static']
# Custom sidebar templates, maps document names to template names.
html_sidebars = {
"**": ['about.html', 'globaltoc.html', 'localtoc.html', 'donate.html', 'searchbox.html']
"**": ['about.html', 'globaltoc.html', 'localtoc.html', 'donate.html', 'searchbox.html', 'relations.html']
}
# Additional templates that should be rendered to pages, maps page names to
@ -301,4 +301,6 @@ texinfo_documents = [
# Example configuration for intersphinx: refer to the Python standard library.
intersphinx_mapping = {'https://docs.python.org/': None}
intersphinx_mapping = {
't3-tca-ref': ('https://docs.typo3.org/typo3cms/TCAReference/', None)
}

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.. highlight:: typoscript
.. _configuration:
Configuration
=============
The extension offers the following configuration options through TypoScript. If you overwrite them
through `setup` make sure to keep them in the `module` area as they will be accessed from backend
mode of TYPO3. Do so by placing the following line at the end::
module.tx_searchcore < plugin.tx_searchcore
.. todo::
We will use references inside the extension to make the above unnecessary in the future.
Currently no constants are available, but this will change in the near future to make configuration
easier.
The strucutre is following TYPO3 Extbase conventions. All settings are placed inside of::
plugin.tx_searchcore.settings
Here is the example default configuration that's provided through static setup:
.. literalinclude:: ../../Configuration/TypoScript/setup.txt
:language: typoscript
:linenos:
:caption: Static TypoScript Setup
.. _configuration_options:
Options
-------
The following section contain the different options for e.g.
``plugin.tx_searchcore.settings.connection`` or ``plugin.tx_searchcore.settings.index``.
.. _configuration_options_connection:
connection
^^^^^^^^^^
Holds settings regarding the connection to search service like elasticsearch or solr.
Configured as::
plugin {
tx_searchcore {
settings {
connection {
// the settings
}
}
}
}
.. _host:
``host``
""""""""
Used by: :ref:`Elasticsearch`.
The host, e.g. ``localhost`` or an ip where the search service is reachable from TYPO3
installation.
Example::
plugin.tx_searchcore.settings.connection.host = localhost
.. _port:
``port``
""""""""
Used by: :ref:`Elasticsearch`.
The port where search service is reachable. E.g. default ``9200`` for elasticsearch.
Example::
plugin.tx_searchcore.settings.connection.port = 9200
.. _configuration_options_index:
index
^^^^^
Holds settings regarding the indexing of TYPO3 records to search service.
Configured as::
plugin {
tx_searchcore {
settings {
index {
// the settings
}
}
}
}
.. _allowedTables:
``allowedTables``
"""""""""""""""""
Used by: :ref:`TcaIndexer`.
Defines which TYPO3 tables are allowed to be indexed. Only whitelisted tables will be processed
through Command Line Interface and Hooks.
Contains a comma separated list of table names. Spaces are trimmed.
Example::
plugin.tx_searchcore.settings.index.allowedTables = tt_content, fe_users
.. _rootLineBlacklist:
``rootLineBlacklist``
"""""""""""""""""""""
Used by: :ref:`TcaIndexer`.
Defines a blacklist of page uids. Records below any of these pages, or subpages, are not
indexed. This allows you to define areas that should not be indexed.
The page attribute *No Search* is also taken into account to prevent indexing records from only one
page without recursion.
Contains a comma separated list of table names. Spaces are trimmed.
Example::
plugin.tx_searchcore.settings.index.rootLineBlacklist = 3, 10, 100
Also it's possible to define some behaviour for the different document types. In context of TYPO3
tables are used as document types 1:1. It's possible to configure different tables. The following
options are available:
.. _additionalWhereClause:
``additionalWhereClause``
"""""""""""""""""""""""""
Used by: :ref:`TcaIndexer`.
Add additional SQL to where clauses to determine indexable records from the table. This way you
can exclude specific records like ``tt_content`` records with specific ``CType`` values or
something else. E.g. you can add a new field to the table to exclude records from indexing.
Example::
plugin.tx_searchcore.settings.index.tt_content.additionalWhereClause = tt_content.CType NOT IN ('gridelements_pi1', 'list', 'div', 'menu')
.. attention::
Make sure to prefix all fields with the corresponding table name. The selection from
database will contain joins and can lead to SQL errors if a field exists in multiple tables.

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.. _connections:
Connections
===========
See Concept of :ref:`concepts_connections` for further background information.
The extension provides the following connections out of the box:
.. _Elasticsearch:
Elasticsearch
-------------
Integrates `elastic Elasticsearch`_ using `elastica`_ into TYPO3.
Provides basic support like indexing without mappings and full text search at the moment.
The connection is configurable through the following options:
* :ref:`host`
* :ref:`port`
.. _elastic Elasticsearch: https://www.elastic.co/products/elasticsearch
.. _elastica: http://elastica.io/

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@ -33,6 +33,12 @@ Table of Contents
=================
.. toctree::
:maxdepth: 2
:maxdepth: 1
:glob:
installation
configuration
usage
concepts
connections
indexer

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.. _indexer:
Indexer
=======
See Concept of :ref:`concepts_indexing` for further background information.
The extension provides the following indexer out of the box:
.. _TcaIndexer:
TcaIndexer
----------
Provides zero configuration TYPO3 integration by using the :ref:`t3-tca-ref:start`. You just can
start indexing TYPO3.
The indexer will use the TCA to fetch all necessary information like relations. Currently the
implementation is very basic. In future it will also provide mapping for Elasticsearch and further
stuff.
The indexer is configurable through the following options:
* :ref:`allowedTables`
* :ref:`rootLineBlacklist`
* :ref:`additionalWhereClause`

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@ -1,45 +1,16 @@
.. heighlight:: typoscript
.. highlight:: bash
.. _installation:
Installation
============
The extension can be installed through composer:
The extension can be installed through composer::
.. code-block:: bash
composer require "leonmrni/search_core dev-feature/integrate-elasticsearch"
composer require "danielsiepmann/search_core" "dev-feature/integrate-elasticsearch"
or by downloading and placing it inside the :file:`typo3conf/ext`-Folder of your installation.
or by `downloading`_ and placing it inside the :file:`typo3conf/ext`-Folder of your installation.
Afterwards you need to enable the extension through the extension manager and include the static
typoscript setup.
.. _configuration:
Configuration
=============
The extension offers the following configuration options through TypoScript. If you overwrite them
through `setup` make sure to keep them in the `module` area as they will be accessed from backend
mode of TYPO3. Do so by placing the following line at the end::
module.tx_searchcore < plugin.tx_searchcore
.. todo::
We will use references inside the extension to make the above unnecessary in the future.
Currently no constants are available, but this will change in the near future to make configuration
easier.
The strucutre is following TYPO3 Extbase conventions. All settings are placed inside of::
plugin.tx_searchcore.settings
Here is the example default configuration that's provided through static setup:
.. literalinclude:: ../../Configuration/TypoScript/setup.txt
:language: typoscript
:linenos:
:caption: Static TypoScript Setup
.. _downloading: https://github.com/DanielSiepmann/search_core/archive/feature/integrate-elasticsearch.zip

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.. highlight:: bash
.. _usage:
Usage
=====
.. _usage_manual_indexing:
Manual indexing
---------------
You can trigger indexing from CLI::
./typo3/cli_dispatch.phpsh extbase index:index --table 'tt_content'
This will index the table ``tt_content`` using the :ref:`TcaIndexer`.
.. _usage_auto_indexing:
Auto indexing
-------------
Indexing is done through hooks everytime an record is changed.