refactor: removed invalid switch cases for message type being null (#146

)

* removed invalid/unncessary switch cases for message type being null

* PubNub SDK v7.0.1 release.

---------

Co-authored-by: Mohit Tejani <mohit.tejani@Mohits-MacBook-Pro.local>
Co-authored-by: PubNub Release Bot <120067856+pubnub-release-bot@users.noreply.github.com>

hereNow update with limit and offset, subscribe issue fix, error hand…

…ling for file upload, push gateway cleanup (#140)

* subscribe: support for re subscribe/restore to recover from inactive subscription

* files: fix error handling cases to provide clear details about failure,
Xml error deatils parsing for aws s3 provided error for files upload and download operations.

* PAM: tests

* push notification service update GCM -> FCM

* default limit and offset value handling in presence hereNow() API

* * fix old integration tests for strict checks

* fix: channel_groups with subscription flakiness

* fix: channel_groups tests with channel name randomisation to make test independent to any interference

* updated nextOffset calculation for `hereNow` to consider currently fetched users count

* revrted nextOffset calculation of hereNow

* chore(logging): reduce verbosity of API call and encryption logs

* chor: dart format for presence.dart

* chore(log-test): update tests implementation for logs to not rely on specific log level value just to test captured logs

* formatting.

* PubNub SDK v7.0.0 release.

---------

Co-authored-by: Mohit Tejani <mohit.tejani@Mohits-MacBook-Pro.local>
Co-authored-by: PubNub Release Bot <120067856+pubnub-release-bot@users.noreply.github.com>

build(workflow-dispatch): fix used input id for issue number (#144)

fix: package compatibility with web build (#138)

* upgrade dependencies
added web compatibility test

* allowing customerLogger to ILogger interface instead only StreamLogger

* refactor: define parameter toJson() for logging information about input parameters

* update codeowner list

* refactor(log): allowing custom non stream logger,
keeping default logger enabled when custom logger provided.

* PubNub SDK v6.0.1 release.

---------

Co-authored-by: Mohit Tejani <mohit.tejani@Mohits-MacBook-Pro.local>
Co-authored-by: PubNub Release Bot <120067856+pubnub-release-bot@users.noreply.github.com>

refactor(log): improved logging with instance level logging enable fe…

…ature. (#136)

* Added support for instance level log configuration,new logging approach

* dart analyse fix

* formatting!

* refactor(logging): implementation of toString() methods to log the module and types information in readable fomat and cleanup the logging implementation to use toString() methods on those modules.

* support for disable retry policy `RetryPolicy.none()` to explicitly disable retry for subscribe
test(retry_policy): added tests for retry policy
refactor: retry policy applicable to subscribe only

* refactor(imports) make required types available for retry and networking

* format!

* refactor(LoggingConfiguration): LoggingConfiguration to provide configuration for logging at instance level.
Removed static methods from default file to have a clean approach.

* PubNub SDK v6.0.0 release.

* amend change log

---------

Co-authored-by: Mohit Tejani <mohit.tejani@Mohits-MacBook-Pro.local>
Co-authored-by: PubNub Release Bot <120067856+pubnub-release-bot@users.noreply.github.com>

fix: app_context apis `custom` field data type to not accept non scal…

…ar value (#134)

* app_context: data type update for `custom` fields. To restrict non scaler value for value part of key-value pairs

* files: Potential risky channel or files names validation added to prevent path traversal attack via user channel and file name input

* format files

* fix: unused exception tyeps

* PubNub SDK v5.2.1 release.

---------

Co-authored-by: Mohit Tejani <mohit.tejani@Mohits-MacBook-Pro.local>
Co-authored-by: PubNub Release Bot <120067856+pubnub-release-bot@users.noreply.github.com>

eTag for set UUID and Channel metadata (#133)

* Code to support `eTag` for set UUID and Channel metadata

* github workflow update upload-artifact v4

* PubNub SDK v5.2.0 release.

---------

Co-authored-by: Mohit Tejani <mohit.tejani@Mohits-MacBook-Pro.local>
Co-authored-by: PubNub Release Bot <120067856+pubnub-release-bot@users.noreply.github.com>

fix: omit optional parameters for AppContext APIs (#132)

* fix: omit optional parameter while serializing appContext entities fields

* PubNub SDK v5.1.1 release.

---------

Co-authored-by: Mohit Tejani <mohit.tejani@Mohits-MacBook-Pro.local>
Co-authored-by: PubNub Release Bot <120067856+pubnub-release-bot@users.noreply.github.com>

feat: Support for `status` and `type` fields in AppContext APIs (#130)

* feat: appContext apis: added support for `status` and `type` fields

* added prameter descriptions

* fix: dart analyze, removed dead code.

* PubNub SDK v5.1.0 release.

---------

Co-authored-by: Mohit Tejani <mohit.tejani@Mohits-MacBook-Pro.local>
Co-authored-by: PubNub Release Bot <120067856+pubnub-release-bot@users.noreply.github.com>

feat: customMessageType (#128)

* * `custom_message_type` support for subscription, publish, signal and files features.
* `custom_message_type` field parsing support in history apis.
* acceptance tests steps implementation for custom_message_type

* set default retry policy to `Exponential` with default configuration.
Fixed issue pointed out by PR #127 for limiting retry delay within maximum delay for linear policy

* fix: linting and warnings

* fix channel test for customMessageType

* PubNub SDK v5.0.0 release.

* update changelog

---------

Co-authored-by: PubNub Release Bot <120067856+pubnub-release-bot@users.noreply.github.com>