filemanager retrieve

Author: noahehall

bdd.nim

@@ -51,20 +51,21 @@ proc bdd*(caseName: string): (What, string, () -> bool) -> void =
       of should: itShould msg, caseName, condition()
       of shouldNot: itShouldNot msg, caseName, condition()
       of shouldRaise, shouldNotRaise:
-        var didError = false
+        var didRaise = false
         try: discard condition()
-        except CatchableError, OSError: didError = true
+        except CatchableError, OSError: didRaise = true
         finally:
-          if what.ord == shouldRaise.ord: itShould msg, caseName, didError
-          else: itShouldNot msg, caseName, didError
+          if what.ord == shouldRaise.ord: itShould msg, caseName, didRaise
+          else: itShouldNot msg, caseName, didRaise
   )
 
 
 when isMainModule:
-  proc catchme: bool = raise newException(CatchableError, "if you can")
-  let it = bdd "bdd tests"
+  proc catchme: bool = raise TddError(msg: "if you can")
 
+  let it = bdd "bdd tests"
   it should, "be true", () => true
   it shouldNot, "be true", () => false
   it shouldRaise, "error", () => catchme()
   it shouldNotRaise, "error", () => true
+  it shouldNotRaise, "or care about result", () => false

src/boat.dot

@@ -26,66 +26,4 @@ digraph boat {
 "system/io" -> "std/private/since";
 "system/io" -> "system/formatfloat";
 "system" -> "system/io";
-"std/os" -> "std/private/since";
-"std/strutils" -> "std/parseutils";
-"std/math" -> "std/private/since";
-"std/macros" -> "std/private/since";
-"std/bitops" -> "std/macros";
-"std/bitops" -> "std/private/since";
-"std/bitops" -> "std/private/bitops_utils";
-"std/bitops" -> "system/countbits_impl";
-"std/math" -> "std/bitops";
-"std/math" -> "std/fenv";
-"std/strutils" -> "std/math";
-"std/algorithm" -> "std/private/since";
-"std/strutils" -> "std/algorithm";
-"std/enumutils" -> "std/macros";
-"std/typetraits" -> "std/private/since";
-"std/typetraits" -> "std/macros";
-"std/enumutils" -> "std/typetraits";
-"std/strutils" -> "std/enumutils";
-"std/strutils" -> "std/unicode";
-"std/strutils" -> "std/private/since";
-"std/strutils" -> "std/private/strimpl";
-"std/pathnorm" -> "std/osseps";
-"std/os" -> "std/strutils";
-"std/os" -> "std/pathnorm";
-"std/options" -> "std/typetraits";
-"std/times" -> "std/strutils";
-"std/times" -> "std/math";
-"std/times" -> "std/options";
-"std/times" -> "std/private/since";
-"std/times" -> "std/posix";
-"std/os" -> "std/posix";
-"std/os" -> "std/times";
-"boat/private/BoatConstants" -> "std/os";
-"boat/private/BoatConstants" -> "boat/private/BoatErrors";
-"std/sugar" -> "std/private/since";
-"std/sugar" -> "std/macros";
-"std/private/underscored_calls" -> "std/macros";
-"std/sugar" -> "std/private/underscored_calls";
-"../bdd" -> "std/sugar";
-"boat/private/Config" -> "../bdd";
-"std/streams" -> "std/private/since";
-"std/lexbase" -> "std/strutils";
-"std/lexbase" -> "std/streams";
-"std/tables" -> "std/private/since";
-"std/hashes" -> "std/private/since";
-"std/tables" -> "std/hashes";
-"std/tables" -> "std/math";
-"std/tables" -> "std/algorithm";
-"std/parsecfg" -> "std/strutils";
-"std/parsecfg" -> "std/lexbase";
-"std/parsecfg" -> "std/streams";
-"std/parsecfg" -> "std/tables";
-"std/parsecfg" -> "std/private/decode_helpers";
-"std/parsecfg" -> "std/private/since";
-"boat/private/Config" -> "std/os";
-"boat/private/Config" -> "std/parsecfg";
-"boat/private/Config" -> "std/strutils";
-"boat/private/Config" -> "boat/private/BoatErrors";
-"boat/private/Config" -> "boat/private/BoatConstants";
-"boat" -> "boat/private/BoatConstants";
-"boat" -> "boat/private/BoatErrors";
-"boat" -> "boat/private/Config";
 }

src/boat.nim

@@ -1,11 +1,5 @@
 ## .. include:: ./readme.rst
 
-import boat/private/[
-  boatConfig,
-  boatConstants,
-  boatErrors,
-]
-
 proc boat*: void = echo "All HANDS! cat o'nine tails! blue peter! OMG... landlubber"
 
 when isMainModule:

src/boat.png

@@ -7,10 +7,6 @@
 ## TLDR
 - come back later
 
-todos
------
-- cmd to parse arbitrarily, e.g. boat conf load ./some/dir
-- cmd to see current captains: e.g. boat conf list -> X, Y, Z
 ]##
 
 from ../../../bdd import tddError
@@ -31,15 +27,12 @@ import
 var captainsLog* {.global.} = %* {} ## \
   ## captains log is the world
 
-proc parseLocalManifest*(self: BoatConfig, path: string = ""): bool =
-  ## parse self.use to self.parsed
-  ## prefer calling self.load or self.reload for validation
-  let usePath = self.usePath path
-
-  # self.parsed = self.parsed.retrieve usePath
+proc parseManifest*(self: BoatConfig, path: string = "", ft: FileType): bool =
+  ## sets self.parsed to the parsed manifest
+  self.parsed = ft.retrieve self.usePath path
   result = true
 
-proc localManifestIsValid*(self: BoatConfig, path: string = ""): bool =
+proc manifestIsValid*(self: BoatConfig, path: string = ""): bool =
   ## throws if manifest not found, cant be read, or errors during parsing
   let usePath = self.usePath path
   let pathInfo = usePath.getFileInfo
@@ -48,62 +41,53 @@ proc localManifestIsValid*(self: BoatConfig, path: string = ""): bool =
     of pcFile, pcLinkToFile:
       if fpUserRead notin pathInfo.permissions: raise filePermissionError
       elif not usePath.endsWith manifestName: raise manifestNameError
-      elif not self.parseLocalManifest usePath: raise configParseError
+      elif not self.parseManifest(usePath, localManifest): raise configParseError
       else: true
     of pcDir, pcLinkToDir:
       # force directories to use their manifest
       self.use = self.use / manifestName
-      self.localManifestIsValid()
+      self.manifestIsValid
 
 proc save*(self: BoatConfig, path: string = ""): bool =
   ## serialize Self.parsed to disk @ boatConstants.cacheDir / <SELF.ID>.{manifestName}
   ## updates captains manifest with stuffWeCached.self.use -> cache location
   # should call fileManager.toDisk
   result = true
 
-proc init*(self: BoatConfig, path: string = ""): bool =
-  let usePath = self.usePath path
+proc init*(self: BoatConfig): bool =
   # starts with https?
     # ends with manifestName?
-      # save to boatConstants.tempDir / self.use
-      # recurse self.reload path = temp location
+      # check FileManagerUtils.retrieve
+      # it should contain logic for loading remote manifests
     # throw: urls must point to a manifest.nim.ini
-  case usePath.startsWith "https"
+  case self.use.startsWith "https"
     of true: raise tddError
     else:
-      try: doAssert self.localManifestIsValid(path) == true
+      try: doAssert self.manifestIsValid == true
       except CatchableError:
         debugEcho repr getCurrentException()
         raise fileLoadError
-  if not self.save usePath: raise fileSaveDefect
+  if not self.save: raise fileSaveDefect
   else: result = true
 
 proc reload*(self: BoatConfig): bool =
-  ## reloads a configuration from disk
-  # (fpath, T) = FileMananger.fromDisk(...)
-    # self.parsedPath = fpath, self.parsed = T
+  ## reloads a configuration from captainsLog
   raise tddError
 
 proc load*(self: BoatConfig): bool =
-  ## (re)load a Configuration; safer than calling reload specifically
+  ## (re)load a Configuration
   result =
-    if captainsLogLoaded and self.parsedPath.len is Positive: self.reload()
-    else: self.init()
+    # if self.use in captainsLog ? reload from captainslog
+    if 1 > 2: raise tddError
+    else: self.init
 
 proc loadCaptainsLog(): void =
   ## loads the previous or initializes a new captains log
-  if not captainsLogLoaded: echo "loading captains log"
-    # captainsLogLoaded = true
-    # let (fpath, prevCaptainsLog) = captainsLog.fromDisk(cacheDir / manifestName, JsonNode, false)
-    # captainsLog = prevCaptainsLog
+  captainsLogLoaded = true
+  # try to retrieve the prev captainslog from cachDir
+  # else initialize an empty captainslog
 
 # always load the captainsLog into ram
 if not captainsLogLoaded: loadCaptainsLog()
 
-
-# consumers can retrieve the parsed Config and path on disk
-# but only internal functions should be able to set it
-export
-  boatConfigType.BoatConfig,
-  parsed,
-  parsedPath
+export boatConfigType

src/boat/private/boatConfig.nim

@@ -6,21 +6,10 @@ type BoatConfig*[T: BoatConfigKind = Config] = ref object of RootObj
   ## base type for all boat configs
   use*: string ## \
     ## filepath, dir containing a file or remote uri
-
-  parsed: T ## \
-    ## the parsed config after loading
-  parsedPath: string ## \
+  parsed*: T ## \
+    ## the parsed config if the config has been parsed
+  parsedPath*: string ## \
     ## path on disk the parsed config was saved to
 
-proc `parsed=`*(self: BoatConfig, path: string): void =
-  self.parsed = self.parsed.retrieve path
-
-proc `parsed`*(self: BoatConfig): BoatConfigKind = self.parsed
-
-proc `parsedPath=`*(self: BoatConfig, path: string): void =
-  self.parsedPath = path
-
-proc `parsedPath`*(self: BoatConfig): string = self.parsedPath
-
-proc usePath*(self: BoatConfig, path: string): string =
+proc usePath*(self: BoatConfig, path: string = ""): string =
   if path.len is Positive: path else: self.use

src/boat/private/boatConfigType.nim

@@ -10,7 +10,9 @@ from parsecfg import Config
 
 import boatErrors
 
-type BoatConfigKind* = Config | JsonNode
+type BoatConfigKind* = Config | JsonNode ## \
+  ## a Config generally means a manifest
+  ## while JsonNode indicates a captainslog
 
 var captainsLogLoaded* {.global.} = false ## \
   ## true if we've loaded the captains log from disk into ram

src/boat/private/boatConstants.nim

@@ -20,4 +20,4 @@ type BoatDefect = ref object of Defect ## \
 var dirCreateDefect* = BoatDefect(msg: "Dir Create Failed")
 var fileLoadDefect* = BoatDefect(msg: "Cant Load File")
 var fileSaveDefect* = BoatDefect(msg: "Cant Save File")
-var boatConfigKindError* = BoatDefect(msg: fmt"Expected BoatConfigKind")
+var boatConfigKindError* = BoatDefect(msg: fmt"Expected typeof BoatConfigKind")

src/boat/private/boatErrors.nim

@@ -5,29 +5,25 @@
 
 from ../../../bdd import tddError
 
-import std/[
-  locks,
-  threadpool,
-]
+# import std/[
+#   locks,
+#   threadpool,
+# ]
 
 import
   boatConstants,
   boatErrors,
   fileManagerUtils
 
-type SaveType* = enum
-  parsedConfig,
-  captainsLog,
-  remoteManifest,
 
-proc dir*(self: SaveType): string =
-  ## returns the directory where different SaveTypes are persisted
+proc dir*(self: FileType): string =
+  ## returns the directory where different FileTypes are persisted
   result = case self
-    of parsedConfig, captainsLog: cacheDir
+    of localManifest, captainsLog: cacheDir
     else: tempDir
 
-proc path*(self: SaveType, fname: string): string =
-  ## computes the filpath for a SaveType
+proc path*(self: FileType, fname: string): string =
+  ## computes the filpath for a FileType
   raise tddError
   # result = self.dir / hash(fname)
 
@@ -39,7 +35,7 @@ proc encode*[T: JsonNode | string](self: T): string =
 
 
 proc toDisk*[T: JsonNode | string | Config](
-  self: SaveType,
+  self: FileType,
   fname: string,
   data: T,
   captainsLog: JsonNode
@@ -63,7 +59,7 @@ proc toDisk*[T: JsonNode | string | Config](
 
 
 proc fromDisk*[T](
-  self: SaveType,
+  self: FileType,
   fname: string,
   to: T,
   errorNotFound = false

src/boat/private/fileManager.nim

@@ -8,23 +8,27 @@ import std/[
 
 import boatErrors, boatConstants
 
+type FileType* = enum
+  captainsLog,
+  localManifest,
+  remoteManifest,
 
-proc persist*[T: string | Config](self: T, path: string): Future[void] {.async.} =
-  ## writes strings to path
-  ## calls parsecfg.writeConfig for configs
+proc persist*[T: FileType](self: T, path: string): Future[void] {.async.} =
+  ## persists a FileType to path
   raise tddError
   # lock
   # of string -> data.write path
   # of Config -> parsecfg.writeConfig path
   # unlock
   # throw if any errors occur
 
-proc retrieve*[T: BoatConfigKind](self: T, path: string): T =
-  # retrieves a Config or Json from a path
+proc retrieve*[T: FileType](self: T, path: string): BoatConfigKind =
+  ## retrieves a FileType from path and parses to BoatConfigKind
   try:
-    if self is Config: result = loadConfig path
-    elif self is JsonNode: raise tddError # should load json from path
-    else: raise boatConfigKindError
+    result = case self
+      of captainsLog: raise tddError # parse to json
+      of localManifest: loadConfig path
+      of remoteManifest: raise tddError # download, then loadConfig path
   except CatchableError:
     debugEcho repr getCurrentException()
     raise fileLoadDefect