Initial commit

.editorconfig

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+root = true
+
+[*.cr]
+charset = utf-8
+end_of_line = lf
+insert_final_newline = true
+indent_style = space
+indent_size = 2
+trim_trailing_whitespace = true

.gitignore

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+/docs/
+/lib/
+/bin/
+/.shards/
+*.dwarf

.travis.yml

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+language: crystal
+
+# Uncomment the following if you'd like Travis to run specs and check code formatting
+# script:
+#   - crystal spec
+#   - crystal tool format --check

LICENSE

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+Copyright 2020 Abhay Rana
+
+Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.

README.md

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+# muse-dl
+
+# Installation
+
+TODO
+
+## Usage
+
+```
+muse-dl --help
+
+USAGE: muse-dl [FLAGS] URL
+
+FLAGS:
+	--no-bookmarks: Don't add bookmarks
+	--no-cleanup: Don't cleanup temporary files
+	--tmp-dir /path: Use /path as temporary directory
+	--output file.pdf: Use file.pdf as output filename
+```
+
+## License
+
+Licensed under the [MIT License](https://nemo.mit-license.org/). See LICENSE file for details.

shard.lock

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+version: 1.0
+shards:
+  crest:
+    github: mamantoha/crest
+    version: 0.24.0
+
+  http-client-digest_auth:
+    github: mamantoha/http-client-digest_auth
+    version: 0.3.0
+
+  myhtml:
+    github: kostya/myhtml
+    version: 1.5.1
+

shard.yml

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+name: muse-dl
+version: 0.1.0
+
+authors:
+  - Nemo <muse.dl@captnemo.in>
+
+description: Downloads and stitches ebooks from Project MUSE
+license: MIT
+
+targets:
+  muse-dl:
+    main: src/muse-dl.cr
+
+dependencies:
+  myhtml:
+    github: kostya/myhtml
+  crest:
+    github: mamantoha/crest

spec/parser_spec.cr

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+require "./spec_helper"
+
+describe Muse::Dl::Parser do
+  it "should parse options" do
+    parser = Muse::Dl::Parser.new(["--no-bookmarks", "--tmp-dir", "/tmp", "--no-cleanup", "--output", "file.pdf"])
+    parser.bookmarks.should eq false
+    parser.tmp.should eq "/tmp"
+    parser.cleanup.should eq false
+    parser.output.should eq "file.pdf"
+  end
+
+  it "should have reasonable defaults" do
+    parser = Muse::Dl::Parser.new
+    parser.bookmarks.should eq true
+    parser.cleanup.should eq true
+    parser.tmp.should eq "/tmp"
+    parser.output.should eq "tempfilename.pdf"
+  end
+end

spec/pdftk_spec.cr

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+require "./spec_helper"
+
+describe Muse::Dl::Pdftk do
+  it "should find pdftk binary" do
+    pdftk = Muse::Dl::Pdftk.new
+    if pdftk.binary
+      pdftk.binary.should eq "/usr/sbin/pdftk"
+    end
+  end
+end

spec/spec_helper.cr

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+require "spec"
+require "../src/muse-dl"

src/fetch.cr

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+require "crest"
+
+module Muse::Dl
+  class Fetch
+    def get_info(url : String) : (Muse::Dl::Book | Muse::Dl::Issue)
+      match = /https:\/\/muse.jhu.edu\/(book|journal)\/(\d+)/.match url
+      if match
+        begin
+          response = Crest.get url
+        rescue ex : Crest::NotFound
+          raise Muse::Dl::InvalidLink
+        end
+      else
+        raise Muse::Dl::InvalidLink
+      end
+    end
+  end
+end

src/muse-dl.cr

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+require "./parser.cr"
+require "./pdftk.cr"
+require "./fetch.cr"
+
+# TODO: Write documentation for `Muse::Dl`
+module Muse::Dl
+  VERSION = "0.1.0"
+
+  # TODO: Put your code here
+end

src/parser.cr

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+module Muse::Dl
+  class Parser
+    @bookmarks : Bool
+    @tmp : String
+    @cleanup : Bool
+    @output : String
+
+    getter :bookmarks, :tmp, :cleanup, :output
+
+    def find_next(arg : Array(String), flag : String, default)
+      search = arg.index flag
+      if search
+        return arg[search + 1]
+      end
+
+      return default
+    end
+
+    def initialize(arg : Array(String) = [] of String)
+      @bookmarks = !arg.index "--no-bookmarks"
+      @cleanup = !arg.index "--no-cleanup"
+      @tmp = find_next(arg, "--tmp-dir", "/tmp")
+      @output = find_next(arg, "--output", "tempfilename.pdf")
+    end
+  end
+end

src/pdftk.cr

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+require "process"
+
+module Muse::Dl
+  class Pdftk
+    PDFTK_BINARY_NAME = "pdftk"
+    @binary : String | Nil
+
+    getter :binary
+
+    def initialize
+      @binary = Process.find_executable(Pdftk::PDFTK_BINARY_NAME)
+      if !@binary
+        puts "Could not find pdftk binary, exiting"
+        Process.exit(1)
+      end
+    end
+  end
+end