Class: Gitdb::Card

Inherits:
Object
  • Object
show all
Defined in:
lib/gitdb/Card.rb

Constant Summary collapse

@@lock =

线程锁

false

Class Method Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(repo) ⇒ Card

Returns a new instance of Card.



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# File 'lib/gitdb/Card.rb', line 8

def initialize repo
  @repo = repo
end

Class Method Details

.delete(repo, id) ⇒ Object 



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# File 'lib/gitdb/Card.rb', line 97

def self::delete repo, id
  Card.new(repo).access(id).delete
end

.exist?(repo, id) ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/gitdb/Card.rb', line 12

def self::exist? repo, id
  # 检查stage而不是tree
  nil != repo.index.get(id)
end

.getdata(repo, id) ⇒ Object 



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# File 'lib/gitdb/Card.rb', line 81

def self::getdata repo, id
  Card.new(repo).access(id).getdata
end

.getmeta(repo, id) ⇒ Object 



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# File 'lib/gitdb/Card.rb', line 89

def self::getmeta repo, id
  Card.new(repo).access(id).getmeta
end

.setdata(repo, id, hash) ⇒ Object 



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# File 'lib/gitdb/Card.rb', line 85

def self::setdata repo, id, hash
  Card.new(repo).access(id).setdata hash
end

.setmeta(repo, id, hash) ⇒ Object 



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# File 'lib/gitdb/Card.rb', line 93

def self::setmeta repo, id, hash
  Card.new(repo).access(id).setmeta hash
end

Instance Method Details

#access(id) ⇒ Object 



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# File 'lib/gitdb/Card.rb', line 66

def access id
  @id = id
  o = @repo.head.target.tree.find do |o|
    o if o[:name] == id
  end
  # 找到名片后加载名片数据, 并返回Card实例, 否则返回nil
  if o != nil
    @content = JSON.parse @repo.lookup(o[:oid]).content, { symbolize_names: true }
    @uid = @content[:owner]
    self
  else
    nil
  end
end

#add_to_stage(id, content) ⇒ Object 



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# File 'lib/gitdb/Card.rb', line 128

def add_to_stage id, content
  oid = @repo.write content, :blob
  @repo.index.add :path => id, :oid => oid, :mode => 0100644
end

#create(uid) ⇒ Object 



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# File 'lib/gitdb/Card.rb', line 41

def create uid
  # 等待资源可用
  loop do
    break unless @@lock
  end
  # 锁定资源
  @@lock = true

  # 生成唯一的名片id
  while exist?(@id = Gitil::generate_code(4)) 
  end
  # 记录名片创建者id
  @uid = uid
  # 用默认格式初始化名片可读内容
  @content = format_card @id, @uid
  # 添加到暂存区
  add_to_stage @id, JSON.pretty_generate(@content)

  # 释放资源
  @@lock = false
  
  # 返回Card实例
  self
end

#delete ⇒ Object 



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# File 'lib/gitdb/Card.rb', line 124

def delete
  @repo.index.remove @id
end

#exist?(id) ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/gitdb/Card.rb', line 17

def exist? id
  Card::exist? @repo, id
end

#format_card(id, uid) ⇒ Object

设置名片默认格式Notice: 每个hash的key为Symbol类型



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# File 'lib/gitdb/Card.rb', line 23

def format_card id, uid
  {
    meta: {
      id: id,
      owner: uid
    },
    firstname: '',
    lastname: '',
    mobile: [],
    phone: [],
    email: [],
    address: [],
    im: [],
    birthday: '',
    note: ''
  }
end

#getdata ⇒ Object 



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# File 'lib/gitdb/Card.rb', line 101

def getdata
  data = @content.clone
  data.delete :meta
  data
end

#getmeta ⇒ Object 



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# File 'lib/gitdb/Card.rb', line 116

def getmeta
  @content.clone[:meta]
end

#setdata(hash) ⇒ Object 



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# File 'lib/gitdb/Card.rb', line 107

def setdata hash
  h = Gitil::data_keys_of_card.map { |key| key.to_sym } & hash.keys
  h.each do |sym_key|
    @content[sym_key] = hash[sym_key]
  end
  # 每次对数据的修改会触发一次"写入暂存区"
  add_to_stage @id, JSON.pretty_generate(@content)
end

#setmeta(hash) ⇒ Object 



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# File 'lib/gitdb/Card.rb', line 120

def setmeta hash
  @content[:meta] = hash
end