github.com/kaydxh/golang@v0.0.131/pkg/fsnotify/config.go (about)

     1  /*
     2   *Copyright (c) 2022, kaydxh
     3   *
     4   *Permission is hereby granted, free of charge, to any person obtaining a copy
     5   *of this software and associated documentation files (the "Software"), to deal
     6   *in the Software without restriction, including without limitation the rights
     7   *to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
     8   *copies of the Software, and to permit persons to whom the Software is
     9   *furnished to do so, subject to the following conditions:
    10   *
    11   *The above copyright notice and this permission notice shall be included in all
    12   *copies or substantial portions of the Software.
    13   *
    14   *THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
    15   *IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
    16   *FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
    17   *AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
    18   *LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
    19   *OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
    20   *SOFTWARE.
    21   */
    22  package fsnotify
    23  
    24  import (
    25  	"context"
    26  
    27  	viper_ "github.com/kaydxh/golang/pkg/viper"
    28  	"github.com/sirupsen/logrus"
    29  	"github.com/spf13/viper"
    30  )
    31  
    32  type Config struct {
    33  	Proto Fsnotify
    34  	opts  struct {
    35  		// If set, overrides params below
    36  		viper *viper.Viper
    37  	}
    38  }
    39  
    40  type completedConfig struct {
    41  	*Config
    42  	completeError error
    43  }
    44  
    45  type CompletedConfig struct {
    46  	// Embed a private pointer that cannot be instantiated outside of this package.
    47  	*completedConfig
    48  }
    49  
    50  func (c *completedConfig) New(ctx context.Context) (*FsnotifyService, error) {
    51  
    52  	logrus.Infof("Installing Fsnotify")
    53  
    54  	if c.completeError != nil {
    55  		return nil, c.completeError
    56  	}
    57  
    58  	if !c.Proto.GetEnabled() {
    59  		return nil, nil
    60  	}
    61  
    62  	rs, err := c.install(ctx)
    63  	if err != nil {
    64  		return nil, err
    65  	}
    66  	logrus.Infof("Installed Fsnotify")
    67  
    68  	return rs, nil
    69  }
    70  
    71  func (c *completedConfig) install(ctx context.Context) (*FsnotifyService, error) {
    72  	fn, err := NewFsnotifyService(c.Proto.GetFilePaths())
    73  	if err != nil {
    74  		return nil, err
    75  	}
    76  
    77  	fn.Run(ctx)
    78  
    79  	return fn, nil
    80  }
    81  
    82  // Complete set default ServerRunOptions.
    83  func (c *Config) Complete() CompletedConfig {
    84  	err := c.loadViper()
    85  	if err != nil {
    86  		return CompletedConfig{&completedConfig{
    87  			Config:        c,
    88  			completeError: err,
    89  		}}
    90  	}
    91  
    92  	return CompletedConfig{&completedConfig{Config: c}}
    93  }
    94  
    95  func (c *Config) loadViper() error {
    96  	if c.opts.viper != nil {
    97  		return viper_.UnmarshalProtoMessageWithJsonPb(c.opts.viper, &c.Proto)
    98  	}
    99  
   100  	return nil
   101  }
   102  
   103  func NewConfig(options ...ConfigOption) *Config {
   104  	c := &Config{}
   105  	c.ApplyOptions(options...)
   106  
   107  	return c
   108  }