Pass Release instead of Version object

These are handled through repos and services instead

release_mixin.py

@@ -31,20 +31,13 @@ class ReleaseMixin(DevopsBuild):
         self.release_type_repo = ReleaseTypeRepository(self.git_api)
         self.version_repo = VersionRepository(self.config_file)
         self.release_repo = ReleaseRepository(self.version_repo, self.release_type_repo, self.main_branch)
-        self.release_version = None
-        self.bump_version = None
-        self.commit_string = None
 
     def prepare_release(self):
         prepare_release_service = PrepareReleaseService(self.release_repo)
-
-        if self.release_version is None or self.bump_version is None:
-            raise Exception('prepare_release was called before init_release')
-        
         # prepare_release_service.run_tests() # not implemented
         prepare_release_service.write_and_commit_release()
         prepare_release_service.write_and_commit_bump()
 
     def tag_and_push_release(self):
         tag_and_push_release_service = TagAndPushReleaseService(self.git_api)
-        tag_and_push_release_service.tag_and_push_release(self.release_version)
+        tag_and_push_release_service.tag_and_push_release(self.release_repo.get_release())

services.py

@@ -1,6 +1,6 @@
 from pathlib import Path
 from infrastructure import VersionRepository, ReleaseRepository, GitApi
-from domain import Version, ReleaseType
+from domain import Version, ReleaseType, Release
 
 class PrepareReleaseService():
 
@@ -8,11 +8,9 @@ class PrepareReleaseService():
         self.release_repo = release_repo
         self.release = release_repo.get_release()
         self.git_api = GitApi()
-        self.main_branch = None        
 
     def __write_and_commit_version(self, version: Version, commit_message: str):
-        if self.main_branch != self.git_api.get_current_branch():
-            raise Exception('Trying to release while not on main branch')
+        self.release.validate(self.release_repo.main_branch)
 
         self.release_repo.version_repository.write_file(version.get_version_string())
         self.git_api.add_file(self.release_repo.version_repository.file)
@@ -30,8 +28,8 @@ class TagAndPushReleaseService():
     def __init__(self, git_api: GitApi):
         self.git_api = git_api
 
-    def tag_and_push_release(self, release_version: Version):
-        annotation = 'v' + release_version.get_version_string()
+    def tag_and_push_release(self, release: Release):
+        annotation = 'v' + release.version.get_version_string()
         message = 'Release ' + annotation
         self.git_api.tag_annotated(annotation, message, 1)
         # self.git_api.push()