"
I model a fossil repository. For details about fossil see:

http://fossil-scm.org/

The protocols are named following Smalltalk conventions, but
also after the Fossil JSON API documentation at [1]

[1] https://docs.google.com/document/d/1fXViveNhDbiXgCuE7QDXQOKeFzf2qNUkBEgiUvoqFN4/view
"
Class {
	#name : #FossilRepo,
	#superclass : #Object,
	#instVars : [
		'local',
		'remote'
	],
	#category : #Fossil
}

{ #category : #authentication }
FossilRepo >> authTokenFor: anUserName withPassword: passwordString [
	^ ((self loginAs: anUserName withPassword: passwordString) at: 'payload') at: 'authToken'
]

{ #category : #authentication }
FossilRepo >> capabilities [
	| payload name permissions |
	payload := self rawCapabilities at: 'payload'.
	name := payload at: 'name'.
	permissions := ((payload at: 'permissionFlags') select: [ :item | item value ]) keys.
	^ Dictionary new
		at: 'name' put: name;
		at: 'permissions' put: permissions;
		yourself.
]

{ #category : #querying }
FossilRepo >> checkinsFor: relativeFilePath [
	"I get all histotical checkins information for a full file name, wich includes relative path 
	in the repository (i.e: 'Doc/Es/Tutoriales/tutorial.ston' or 'index.html's)"
	(self jsonWikiDataFor: relativeFilePath) = self ifTrue: [
	 		self inform: 
			'WARNING! Key not found, verify the file name you are looking in this repository'. 
			^ self ].
	^ (((self jsonWikiDataFor: relativeFilePath)  at: 'payload') at: 'checkins')
]

{ #category : #wiki }
FossilRepo >> createPage: pageName [
	^ NeoJSONReader fromString: (self jsonWikiDataFor: 'create/', pageName) 
]

{ #category : #wiki }
FossilRepo >> fetchPage: pageName [
	^ NeoJSONReader fromString: (self jsonWikiDataFor: 'get/', pageName) 
]

{ #category : #utility }
FossilRepo >> jsonDataFor: anUrlSegment [
	^ ZnClient new
		get: (self jsonRoot addPathSegment: anUrlSegment);
		contents.
]

{ #category : #utility }
FossilRepo >> jsonRoot [
	"I define the root of the JSON API for all repo querying and modifiying operations"

	^ self remote addPathSegment: 'json'.
]

{ #category : #querying }
FossilRepo >> jsonStringFor: aFileName [
	| queryForJSONData |
	queryForJSONData := self remote addPathSegments: #('json' 'finfo').
	queryForJSONData queryAt: 'name' put: aFileName.
	^ (ZnEasy get: queryForJSONData) contents.
]

{ #category : #wiki }
FossilRepo >> jsonWikiDataFor: anUrlSegment [
	^ ZnClient new
		get: (self wikiRoot addPathSegment: anUrlSegment);
		contents.
]

{ #category : #querying }
FossilRepo >> lastHashNumberFor: aFileName [
	"I'm useful to see if local versions of files are updated to the last versions of the
	online repository"
	^ (self checkinsFor: aFileName) first at: 'uuid'
]

{ #category : #accessing }
FossilRepo >> local [
	^ local
]

{ #category : #accessing }
FossilRepo >> local: aLocalFilePath [
	local := aLocalFilePath
]

{ #category : #authentication }
FossilRepo >> loginAs: anUserName withPassword: password [
	| jsonData |
	jsonData := ZnClient new
		url: (self loginUrlWithName: anUserName andPassword: password);
		get;
		contents.
	^ NeoJSONReader fromString: jsonData
]

{ #category : #authentication }
FossilRepo >> loginUrlWithName: aUser andPassword: passwd [
	^ self jsonRoot 
		addPathSegment: 'login';
		queryAt: 'name' put: aUser;
		queryAt: 'password' put: passwd.
]

{ #category : #wiki }
FossilRepo >> pageList [
	^ NeoJSONReader fromString: (self jsonWikiDataFor: 'list')  
]

{ #category : #authentication }
FossilRepo >> rawCapabilities [
	^ NeoJSONReader fromString: (self jsonDataFor: 'cap')
]

{ #category : #accessing }
FossilRepo >> remote [
	^ remote
]

{ #category : #accessing }
FossilRepo >> remote: anUrlString [
	remote := anUrlString asUrl 
]

{ #category : #authentication }
FossilRepo >> whoAmI [
	^ NeoJSONReader fromString: (self jsonDataFor: 'whoami')
]

{ #category : #wiki }
FossilRepo >> wikiRoot [
	^ self jsonRoot addPathSegment: 'wiki' 
]

{ #category : #wiki }
FossilRepo >> wikiTimeline [
	^ NeoJSONReader fromString: (self jsonWikiDataFor: 'timeline')  
]