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349 lines (279 loc) · 13.4 KB
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#include <array>
#include "evaluatelogbuilder.h"
#include "configcat/timeutils.h"
using namespace std;
namespace configcat {
static constexpr char kInvalidNamePlaceholder[] = "<invalid name>";
static constexpr char kInvalidOperatorPlaceholder[] = "<invalid operator>";
static constexpr char kInvalidReferencePlaceholder[] = "<invalid reference>";
static constexpr char kInvalidValuePlaceholder[] = "<invalid value>";
static constexpr char kValueText[] = "value";
static constexpr char kValuesText[] = "values";
static constexpr size_t kStringListMaxCount = 10;
EvaluateLogBuilder& configcat::EvaluateLogBuilder::newLine() {
// TODO: platform-specific line terminator?
ss << endl;
for (auto i = 0; i < this->indentLevel; i++) {
ss << " ";
}
return *this;
}
EvaluateLogBuilder& EvaluateLogBuilder::appendUserConditionCore(const std::string& comparisonAttribute, UserComparator comparator, const std::optional<std::string>& comparisonValue) {
return appendFormat("User.%s %s '%s'",
comparisonAttribute.c_str(),
getUserComparatorText(comparator),
comparisonValue ? comparisonValue->c_str() : kInvalidValuePlaceholder);
}
EvaluateLogBuilder& EvaluateLogBuilder::appendUserConditionString(const std::string& comparisonAttribute, UserComparator comparator, const UserConditionComparisonValue& comparisonValue, bool isSensitive) {
const auto comparisonValuePtr = get_if<string>(&comparisonValue);
if (!comparisonValuePtr) {
return appendUserConditionCore(comparisonAttribute, comparator, nullopt);
}
return appendUserConditionCore(comparisonAttribute, comparator, isSensitive ? "<hashed value>" : *comparisonValuePtr);
}
EvaluateLogBuilder& EvaluateLogBuilder::appendUserConditionStringList(const std::string& comparisonAttribute, UserComparator comparator, const UserConditionComparisonValue& comparisonValue, bool isSensitive) {
const auto comparisonValuesPtr = get_if<vector<string>>(&comparisonValue);
if (!comparisonValuesPtr) {
return appendUserConditionCore(comparisonAttribute, comparator, nullopt);
}
if (isSensitive) {
const auto comparisonValueCount = comparisonValuesPtr->size();
return appendFormat("User.%s %s [<%d hashed %s>]",
comparisonAttribute.c_str(),
getUserComparatorText(comparator),
comparisonValueCount,
comparisonValueCount == 1 ? kValueText : kValuesText);
}
else {
appendFormat("User.%s %s [",
comparisonAttribute.c_str(),
getUserComparatorText(comparator));
append_stringlist(this->ss, *comparisonValuesPtr, kStringListMaxCount, [](size_t count) {
return string_format(", ... <%d more %s>", count, count == 1 ? kValueText : kValuesText);
});
return append("]");
}
}
EvaluateLogBuilder& EvaluateLogBuilder::appendUserConditionNumber(const std::string& comparisonAttribute, UserComparator comparator, const UserConditionComparisonValue& comparisonValue, bool isDateTime = false) {
const auto comparisonValuePtr = get_if<double>(&comparisonValue);
if (!comparisonValuePtr) {
return appendUserConditionCore(comparisonAttribute, comparator, nullopt);
}
if (isDateTime) {
if (const auto tp = datetime_from_unixtimeseconds(*comparisonValuePtr); tp) {
return appendFormat("User.%s %s '%s' (%s UTC)",
comparisonAttribute.c_str(),
getUserComparatorText(comparator),
number_to_string(*comparisonValuePtr).c_str(),
datetime_to_isostring(*tp).c_str());
}
}
return appendFormat("User.%s %s '%g'",
comparisonAttribute.c_str(),
getUserComparatorText(comparator),
*comparisonValuePtr);
}
EvaluateLogBuilder& EvaluateLogBuilder::appendUserCondition(const UserCondition& condition) {
const auto& comparisonAttribute = condition.comparisonAttribute;
const auto comparator = condition.comparator;
const auto& comparisonValue = condition.comparisonValue;
switch (comparator) {
case UserComparator::TextIsOneOf:
case UserComparator::TextIsNotOneOf:
case UserComparator::TextContainsAnyOf:
case UserComparator::TextNotContainsAnyOf:
case UserComparator::SemVerIsOneOf:
case UserComparator::SemVerIsNotOneOf:
case UserComparator::TextStartsWithAnyOf:
case UserComparator::TextNotStartsWithAnyOf:
case UserComparator::TextEndsWithAnyOf:
case UserComparator::TextNotEndsWithAnyOf:
case UserComparator::ArrayContainsAnyOf:
case UserComparator::ArrayNotContainsAnyOf:
return appendUserConditionStringList(comparisonAttribute, comparator, comparisonValue, false);
case UserComparator::SemVerLess:
case UserComparator::SemVerLessOrEquals:
case UserComparator::SemVerGreater:
case UserComparator::SemVerGreaterOrEquals:
case UserComparator::TextEquals:
case UserComparator::TextNotEquals:
return appendUserConditionString(comparisonAttribute, comparator, comparisonValue, false);
case UserComparator::NumberEquals:
case UserComparator::NumberNotEquals:
case UserComparator::NumberLess:
case UserComparator::NumberLessOrEquals:
case UserComparator::NumberGreater:
case UserComparator::NumberGreaterOrEquals:
return appendUserConditionNumber(comparisonAttribute, comparator, comparisonValue);
case UserComparator::SensitiveTextIsOneOf:
case UserComparator::SensitiveTextIsNotOneOf:
case UserComparator::SensitiveTextStartsWithAnyOf:
case UserComparator::SensitiveTextNotStartsWithAnyOf:
case UserComparator::SensitiveTextEndsWithAnyOf:
case UserComparator::SensitiveTextNotEndsWithAnyOf:
case UserComparator::SensitiveArrayContainsAnyOf:
case UserComparator::SensitiveArrayNotContainsAnyOf:
return appendUserConditionStringList(comparisonAttribute, comparator, comparisonValue, true);
case UserComparator::DateTimeBefore:
case UserComparator::DateTimeAfter:
return appendUserConditionNumber(comparisonAttribute, comparator, comparisonValue, true);
case UserComparator::SensitiveTextEquals:
case UserComparator::SensitiveTextNotEquals:
return appendUserConditionString(comparisonAttribute, comparator, comparisonValue, true);
default: {
string str;
return appendUserConditionCore(comparisonAttribute, comparator, formatUserConditionComparisonValue(comparisonValue, str));
}
}
}
EvaluateLogBuilder& EvaluateLogBuilder::appendPrerequisiteFlagCondition(const PrerequisiteFlagCondition& condition, const std::shared_ptr<Settings>& settings) {
const auto& prerequisiteFlagKey = condition.prerequisiteFlagKey;
assert(settings);
const auto it = settings->find(prerequisiteFlagKey);
const char* $prerequisiteFlagKeyCStr = it != settings->end() ? prerequisiteFlagKey.c_str() : kInvalidReferencePlaceholder;
string str;
return appendFormat("Flag '%s' %s '%s'",
$prerequisiteFlagKeyCStr, getPrerequisiteFlagComparatorText(condition.comparator), formatSettingValue(condition.comparisonValue, str).c_str());
}
EvaluateLogBuilder& EvaluateLogBuilder::appendSegmentCondition(const SegmentCondition& condition, const std::shared_ptr<Segments>& segments) {
const auto segmentIndex = condition.segmentIndex;
const auto segmentPtr = segmentIndex < 0 || (segments ? segments->size() : 0) <= segmentIndex ? nullptr : &(*segments)[segmentIndex];
const char* segmentNameCStr;
if (segmentPtr) segmentNameCStr = !segmentPtr->name.empty() ? segmentPtr->name.c_str() : kInvalidNamePlaceholder;
else segmentNameCStr = kInvalidReferencePlaceholder;
return appendFormat("User %s '%s'", getSegmentComparatorText(condition.comparator), segmentNameCStr);
}
EvaluateLogBuilder& EvaluateLogBuilder::appendConditionConsequence(bool result) {
append(" => ").appendConditionResult(result);
return result ? *this : append(", skipping the remaining AND conditions");
}
EvaluateLogBuilder& EvaluateLogBuilder::appendTargetingRuleThenPart(const TargetingRule& targetingRule, SettingType settingType, bool newLine) {
(newLine ? this->newLine() : append(" "))
.append("THEN");
const auto simpleValuePtr = get_if<SettingValueContainer>(&targetingRule.then);
if (simpleValuePtr) {
string str;
return appendFormat(" '%s'", formatSettingValue(simpleValuePtr->value, str).c_str());
}
else {
return append(" % options");
}
}
EvaluateLogBuilder& EvaluateLogBuilder::appendTargetingRuleConsequence(const TargetingRule& targetingRule, SettingType settingType, const std::variant<bool, std::string>& isMatchOrError, bool newLine) {
increaseIndent();
const auto isMatchPtr = get_if<bool>(&isMatchOrError);
appendTargetingRuleThenPart(targetingRule, settingType, newLine)
.append(" => ").append(isMatchPtr
? (*isMatchPtr ? "MATCH, applying rule" : "no match")
: get<string>(isMatchOrError));
return decreaseIndent();
}
const char* getSettingTypeText(SettingType settingType) {
static constexpr std::array kTexts{
"Boolean",
"String",
"Int",
"Double",
};
return kTexts.at(static_cast<size_t>(settingType));
}
const char* getSettingValueTypeText(const SettingValue& settingValue) {
static constexpr std::array kTexts{
"std::nullopt",
"bool",
"std::string",
"int32_t",
"double",
};
return kTexts.at(settingValue.index());
}
const char* getUserComparatorText(UserComparator comparator) {
switch (comparator) {
case UserComparator::TextIsOneOf:
case UserComparator::SensitiveTextIsOneOf:
case UserComparator::SemVerIsOneOf: return "IS ONE OF";
case UserComparator::TextIsNotOneOf:
case UserComparator::SensitiveTextIsNotOneOf:
case UserComparator::SemVerIsNotOneOf: return "IS NOT ONE OF";
case UserComparator::TextContainsAnyOf: return "CONTAINS ANY OF";
case UserComparator::TextNotContainsAnyOf: return "NOT CONTAINS ANY OF";
case UserComparator::SemVerLess:
case UserComparator::NumberLess: return "<";
case UserComparator::SemVerLessOrEquals:
case UserComparator::NumberLessOrEquals: return "<=";
case UserComparator::SemVerGreater:
case UserComparator::NumberGreater: return ">";
case UserComparator::SemVerGreaterOrEquals:
case UserComparator::NumberGreaterOrEquals: return ">=";
case UserComparator::NumberEquals: return "=";
case UserComparator::NumberNotEquals: return "!=";
case UserComparator::DateTimeBefore: return "BEFORE";
case UserComparator::DateTimeAfter: return "AFTER";
case UserComparator::TextEquals:
case UserComparator::SensitiveTextEquals: return "EQUALS";
case UserComparator::TextNotEquals:
case UserComparator::SensitiveTextNotEquals: return "NOT EQUALS";
case UserComparator::TextStartsWithAnyOf:
case UserComparator::SensitiveTextStartsWithAnyOf: return "STARTS WITH ANY OF";
case UserComparator::TextNotStartsWithAnyOf:
case UserComparator::SensitiveTextNotStartsWithAnyOf: return "NOT STARTS WITH ANY OF";
case UserComparator::TextEndsWithAnyOf:
case UserComparator::SensitiveTextEndsWithAnyOf: return "ENDS WITH ANY OF";
case UserComparator::TextNotEndsWithAnyOf:
case UserComparator::SensitiveTextNotEndsWithAnyOf: return "NOT ENDS WITH ANY OF";
case UserComparator::ArrayContainsAnyOf:
case UserComparator::SensitiveArrayContainsAnyOf: return "ARRAY CONTAINS ANY OF";
case UserComparator::ArrayNotContainsAnyOf:
case UserComparator::SensitiveArrayNotContainsAnyOf: return "ARRAY NOT CONTAINS ANY OF";
default: return kInvalidOperatorPlaceholder;
}
}
const char* getPrerequisiteFlagComparatorText(PrerequisiteFlagComparator comparator) {
switch (comparator) {
case PrerequisiteFlagComparator::Equals: return "EQUALS";
case PrerequisiteFlagComparator::NotEquals: return "NOT EQUALS";
default: return kInvalidOperatorPlaceholder;
}
}
const char* getSegmentComparatorText(SegmentComparator comparator) {
switch (comparator) {
case SegmentComparator::IsIn: return "IS IN SEGMENT";
case SegmentComparator::IsNotIn: return "IS NOT IN SEGMENT";
default: return kInvalidOperatorPlaceholder;
}
}
const std::string& formatSettingValue(const SettingValue& settingValue, std::string& str) {
if (const auto textPtr = get_if<string>(&settingValue)) {
// Avoid copy if we already have a string.
return *textPtr;
}
else {
auto value = static_cast<std::optional<Value>>(settingValue);
return str = value ? value->toString() : kInvalidValuePlaceholder;
}
}
const std::string& formatUserConditionComparisonValue(const UserConditionComparisonValue& comparisonValue, std::string& str) {
if (const auto textPtr = get_if<string>(&comparisonValue)) {
// Avoid copy if we already have a string.
return *textPtr;
}
else if (const auto numberPtr = get_if<double>(&comparisonValue)) {
return str = to_string(*numberPtr);
}
else if (const auto stringArrayPtr = get_if<vector<string>>(&comparisonValue)) {
ostringstream ss;
ss << "[";
append_stringlist(ss, *stringArrayPtr);
ss << "]";
return str = ss.str();
}
else {
return str = kInvalidValuePlaceholder;
}
}
std::string formatUserCondition(const UserCondition& condition) {
EvaluateLogBuilder logBuilder;
logBuilder.appendUserCondition(condition);
return logBuilder.toString();
}
} // namespace configcat