chart_theme.go 2.7 KB

123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102
  1. package data
  2. import (
  3. "encoding/json"
  4. "eta/eta_chart_lib/models/data_manage/chart_theme"
  5. "eta/eta_chart_lib/utils"
  6. )
  7. // GetChartThemeConfig
  8. // @Description: 根据主题id获取主题信息,如果获取不到的话,那么就获取默认的主题
  9. // @author: Roc
  10. // @datetime 2023-12-19 14:31:17
  11. // @param chartThemeId int
  12. // @param chartType int
  13. // @param source int
  14. // @return chartTheme *chart_theme.ChartTheme
  15. // @return err error
  16. func GetChartThemeConfig(chartThemeId, source, chartType int) (chartTheme *chart_theme.ChartTheme, err error) {
  17. chartTheme, err = chart_theme.GetChartThemeId(chartThemeId)
  18. if err != nil && err.Error() != utils.ErrNoRow() {
  19. return
  20. }
  21. err = nil
  22. // 如果找到了,那么就返回
  23. if chartTheme != nil {
  24. // 兼容历史数据,加入新字段LineOptionList
  25. newConfig, e := ConvertOldChartOptions(chartTheme.Config)
  26. if e == nil {
  27. chartTheme.Config = newConfig
  28. }
  29. return
  30. }
  31. // 没有找到的话,那么就找默认的主题
  32. // 查找主题类型id
  33. chartThemeType, err := chart_theme.GetChartThemeTypeByChartTypeAndSource(chartType, source)
  34. if err != nil {
  35. return
  36. }
  37. // 寻找默认的主题id
  38. chartTheme, err = chart_theme.GetChartThemeId(chartThemeType.DefaultChartThemeId)
  39. if err != nil && err.Error() != utils.ErrNoRow() {
  40. return
  41. }
  42. err = nil
  43. // 如果找到了,那么就返回
  44. if chartTheme != nil {
  45. // 兼容历史数据,加入新字段LineOptionList
  46. newConfig, e := ConvertOldChartOptions(chartTheme.Config)
  47. if e == nil {
  48. chartTheme.Config = newConfig
  49. }
  50. return
  51. }
  52. // 如果还是没找到,那就系统的主题id
  53. chartTheme, err = chart_theme.GetSystemChartTheme(chartThemeType.ChartThemeTypeId)
  54. // 兼容历史数据,加入新字段LineOptionList
  55. newConfig, e := ConvertOldChartOptions(chartTheme.Config)
  56. if e == nil {
  57. chartTheme.Config = newConfig
  58. }
  59. return
  60. }
  61. // 兼容历史数据,加入新字段LineOptionList
  62. func ConvertOldChartOptions(config string) (newConfig string, err error) {
  63. var oldTheme chart_theme.OldChartOptions
  64. var newTheme chart_theme.NewChartOptions
  65. err = json.Unmarshal([]byte(config), &oldTheme)
  66. if err != nil {
  67. return
  68. }
  69. if oldTheme.LineOptionList != nil && len(oldTheme.LineOptionList) > 0 {
  70. newConfig = config
  71. return
  72. }
  73. newTheme.OldChartOptions = oldTheme
  74. for i := 0; i < 10; i++ {
  75. newLineOption := chart_theme.NewLineOptions{
  76. LineOptions: oldTheme.LineOptions,
  77. Color: oldTheme.ColorsOptions[i],
  78. DataMark: "none",
  79. MarkType: "square",
  80. MarkSize: 5,
  81. MarkColor: oldTheme.ColorsOptions[i],
  82. }
  83. newTheme.LineOptionList = append(newTheme.LineOptionList, newLineOption)
  84. }
  85. newThemeStr, _ := json.Marshal(newTheme)
  86. newConfig = string(newThemeStr)
  87. return
  88. }