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Add ocr service Add custom logger Add ocr development service Handle ocr error response Use SKIP_PROCESSING on ocr service in development
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,149 @@ | ||
| import { Injectable, LoggerService, LogLevel } from '@nestjs/common'; | ||
| import colors from 'colors/safe'; | ||
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| @Injectable() | ||
| export class AppLogger implements LoggerService { | ||
| levels: Set<LogLevel> | null = null; | ||
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| log(message: unknown, ...optionalParams: unknown[]) { | ||
| this.write(levels.log, message, optionalParams); | ||
| } | ||
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| error(message: unknown, ...optionalParams: unknown[]) { | ||
| this.write(levels.error, message, optionalParams); | ||
| } | ||
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| warn(message: unknown, ...optionalParams: unknown[]) { | ||
| this.write(levels.warn, message, optionalParams); | ||
| } | ||
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| debug?(message: unknown, ...optionalParams: unknown[]) { | ||
| this.write(levels.debug, message, optionalParams); | ||
| } | ||
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| verbose?(message: unknown, ...optionalParams: unknown[]) { | ||
| this.write(levels.verbose, message, optionalParams); | ||
| } | ||
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| fatal?(message: unknown, ...optionalParams: unknown[]) { | ||
| this.write(levels.fatal, message, optionalParams); | ||
| } | ||
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| setLogLevels?(levels: LogLevel[]) { | ||
| this.levels = new Set(levels); | ||
| } | ||
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| private hasLevel(level: LogLevel): boolean { | ||
| return this.levels == null || this.levels.has(level); | ||
| } | ||
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| private write(level: Level, message: unknown, params: unknown[]) { | ||
| if (!this.hasLevel(level.key)) { | ||
| return; | ||
| } | ||
| const lastParam = params[params.length - 1]; | ||
| let source = 'main'; | ||
| if (typeof lastParam === 'string') { | ||
| source = lastParam; | ||
| params = params.slice(0, params.length - 1); | ||
| } | ||
|
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| const now = new Date(); | ||
| const nameSpacer = ' '.repeat(MAX_NAME_LENGTH - level.name.length); | ||
| const prefix = | ||
| colors.reset(` ${now.toISOString()} `) + nameSpacer + level.bgColor(` ${level.name} `) + ' ' + source; | ||
| let output = ' ' + level.color(`${message}`); | ||
| if (params.length !== 0) { | ||
| output += ' ' + stringify(params, level); | ||
| } | ||
| console.log(`${prefix} ${output}`); | ||
| } | ||
| } | ||
|
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| const stringify = (value: unknown, level: Level, options: { isNested?: boolean } = {}): string => { | ||
| if (Array.isArray(value)) { | ||
| return stringifyArray(value, level, options); | ||
| } | ||
| if (value instanceof Error) { | ||
| return JSON.stringify(value.message); | ||
| } | ||
| if (value != null && typeof value === 'object') { | ||
| return stringifyObject(value, level, options); | ||
| } | ||
| return level.color(JSON.stringify(value)); | ||
| }; | ||
|
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| const stringifyArray = (value: unknown[], level: Level, options: { isNested?: boolean } = {}): string => { | ||
| let output = ''; | ||
| for (const element of value) { | ||
| if (output.length > 0) { | ||
| output += ', '; | ||
| } | ||
| output += stringify(element, level, { isNested: true }); | ||
| } | ||
| return options.isNested ? `[${output}]` : output; | ||
| }; | ||
|
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| const stringifyObject = (value: object, level: Level, options: { isNested?: boolean } = {}): string => { | ||
| const valueString = value.toString(); | ||
| if (valueString !== '[object Object]') { | ||
| return level.color(valueString); | ||
| } | ||
|
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| let output = ''; | ||
| for (const [k, v] of Object.entries(value)) { | ||
| if (output.length > 0) { | ||
| output += ', '; | ||
| } | ||
| output += `${k}: ${stringify(v, level, { isNested: true })}`; | ||
| } | ||
| return options.isNested ? `[${output}]` : output; | ||
| }; | ||
|
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| interface Level { | ||
| key: LogLevel; | ||
| name: string; | ||
| color: typeof colors.white; | ||
| bgColor: typeof colors.bgWhite; | ||
| } | ||
|
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| const levels: Record<LogLevel, Level> = { | ||
| log: { | ||
| key: 'log', | ||
| name: 'INFO', | ||
| color: colors.green, | ||
| bgColor: colors.bgGreen, | ||
| }, | ||
| error: { | ||
| key: 'error', | ||
| name: 'ERROR', | ||
| color: colors.red, | ||
| bgColor: colors.bgRed, | ||
| }, | ||
| warn: { | ||
| key: 'warn', | ||
| name: 'WARN', | ||
| color: colors.yellow, | ||
| bgColor: colors.bgYellow, | ||
| }, | ||
| debug: { | ||
| key: 'debug', | ||
| name: 'DEBUG', | ||
| color: colors.blue, | ||
| bgColor: colors.bgBlue, | ||
| }, | ||
| verbose: { | ||
| key: 'verbose', | ||
| name: 'VERBOSE', | ||
| color: colors.magenta, | ||
| bgColor: colors.bgMagenta, | ||
| }, | ||
| fatal: { | ||
| key: 'fatal', | ||
| name: 'FATAL', | ||
| color: colors.red, | ||
| bgColor: colors.bgRed, | ||
| }, | ||
| }; | ||
|
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| const MAX_NAME_LENGTH = Math.max(...Object.values(levels).map((it) => it.name.length)); |
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