pidgin/pidgin

741992355ead
GSoC History API including sqlite history adapter

The History API has been created to drive all message handling in purple3. It will be used to update existing messages for edits, reactions, pinning, read/deliver receipts, etc. The API uses an adapter pattern, to abstract out backends, but provides a SQLite3 backend by default.

It also provides search capabilities using a custom query language that can easily be expanded over time. It will be use by both the end user to search messages and the frontends to implement features like a pinned messages button. A command line utility is also provided for searching outside of the program itself.

## Remaining Items

**These all will most likely be done by the Pidgin core team after GSoC when we figure out exactly how to solve them.**

Need to store database in purple config directory
* Gary has spent some time looking at this and it looks like the purple-history cli will need to become a purple-ui to make this work write as in the future other adapters will be plugins.

Other things to consider:
- For simplicity, the SqliteHistoryAdapter is parsing the query itself, but for consistency having `PurpleHistoryAdapter` parse the query and pass tokens to the subclass might be something we want to do.

Testing Done:
## Unit Tests
History Manager
History Adapter

## Integration Tests
purplehistorycore created for integration tests.
PurpleSqliteHistoryAdapter functionality tested:
- Creates proper db schema
- Writes logs
- Reads logs
- Queries using query language
- Deletes using query language

Bugs closed: PIDGIN-17526, PIDGIN-17532, PIDGIN-17533, PIDGIN-17534

Reviewed at https://reviews.imfreedom.org/r/877/
# Purple, Pidgin and Finch
libpurple is a library intended to be used by programmers seeking to write an
IM client that connects to many IM networks. It comes with support for Bonjour,
IRC, and XMPP, among others and there are many more networks supported via
[third party plugins](https://pidgin.im/plugins/).
Pidgin is a graphical IM client written in C, which uses the GTK toolkit.
Finch is a text-based IM client written in C, which uses
[libgnt](https://keep.imfreedom.org/libgnt/libgnt).
These programs are not endorsed by, nor affiliated with, any proprietary
instant messaging company in any way.
## Contributors
See AUTHORS and COPYRIGHT for the list of contributors.
## Building
Pidgin uses [Meson](https://mesonbuild.com) as its build system. There is a
long list of dependencies that is not currently documented here due to
differences in package names across operating systems. We plan to fix this
soon, if you have any suggestions on how to handle this, please let us know.
You can quickly build Pidgin with the following commands:
```
meson build
cd build
ninja
ninja install
```
There are quite a few options for the build that you can view by running
`meson configure` in your build directory. You can specify the options when
running meson like the following:
```
meson -Ddebug=true build
```
If you have already run `meson` you can use `meson configure`:
```
cd build
meson configure -Ddebug=true
```
## Running
Currently Pidgin can not be run from a build directory, which means you must
install it first. Once you've done that, you only need to run `pidgin3` or
`finch3`. If it fails to launch you may need to run `ldconfig` as root.
To get started, simply add a new account.
If you come across a bug, please report it at:
[issues.imfreedom.org/issues/PIDGIN](https://issues.imfreedom.org/issues/PIDGIN)
## Plugins
libpurple, Pidgin, and Finch ship with a number of plugins, but you can find
additional third party plugins at
[pidgin.im/plugins](https://pidgin.im/plugins).
## Developing
You can find more information about Pidgin development in the
[development section](https://pidgin.im/development/) of our website.